{"id":67060,"date":"2026-01-28T07:25:13","date_gmt":"2026-01-27T23:25:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/67060.html"},"modified":"2026-01-28T07:25:13","modified_gmt":"2026-01-27T23:25:13","slug":"mariadb-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/67060.html","title":{"rendered":"Mariadb \u670d\u52a1\u5668"},"content":{"rendered":"<h2>MariaDB \u6570\u636e\u5e93\u7ba1\u7406<\/h2>\n<h3>\u4ecb\u7ecd MariaDB<\/h3>\n<h4>\u6570\u636e\u5e93\u4ecb\u7ecd<\/h4>\n<p>**\u6570\u636e\u5e93&#xff0c;\u662f\u4e00\u4e2a\u5b58\u653e\u8ba1\u7b97\u673a\u6570\u636e\u7684\u4ed3\u5e93\u3002**\u8fd9\u4e2a\u4ed3\u5e93\u662f\u6309\u7167\u4e00\u5b9a\u7684\u6570\u636e\u7ed3\u6784\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u7ec4\u7ec7\u548c\u5b58\u50a8\u7684&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u591a\u79cd\u65b9\u6cd5\u6765\u7ba1\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u6570\u636e\u7ed3\u6784&#xff0c;\u662f\u6307\u6570\u636e\u7684\u7ec4\u7ec7\u5f62\u5f0f\u6216\u6570\u636e\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<\/p>\n<h4>\u6570\u636e\u5e93\u79cd\u7c7b<\/h4>\n<p>\u6309\u7167\u65e9\u671f\u7684\u6570\u636e\u5e93\u7406\u8bba&#xff0c;\u6bd4\u8f83\u6d41\u884c\u7684\u6570\u636e\u5e93\u6a21\u578b\u6709\u4e09\u79cd&#xff0c;\u5206\u522b\u4e3a&#xff1a;<\/p>\n<ul>\n<li>\u5c42\u6b21\u5f0f\u6570\u636e\u5e93&#xff0c;\u4ee5\u5c42\u6b21\u6a21\u578b\u5efa\u7acb\u7684\u6570\u636e\u5e93&#xff0c;\u4f8b\u5982\u6587\u4ef6\u7cfb\u7edf\u3001DNS\u3002<\/li>\n<li>\u7f51\u72b6\u6570\u636e\u5e93&#xff0c;\u4ee5\u7f51\u72b6\u6a21\u578b\u5efa\u7acb\u7684\u6570\u636e\u5e93&#xff0c;\u4f8b\u5982\u7f51\u7edc\u901a\u4fe1\u3002<\/li>\n<li>\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff0c;\u4ee5\u4e8c\u7ef4\u8868\u6a21\u578b\u5efa\u8bae\u7684\u6570\u636e\u5e93&#xff0c;\u4f8b\u5982\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u5728\u5f53\u4eca\u7684\u4e92\u8054\u7f51\u4f01\u4e1a\u4e2d&#xff0c;\u6700\u5e38\u7528\u7684\u6570\u636e\u5e93\u6a21\u5f0f\u4e3b\u8981\u6709\u4e24\u79cd&#xff1a;<\/p>\n<ul>\n<li>\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff0c;\u628a\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u5f52\u7ed3\u4e3a\u7b80\u5355\u7684\u4e8c\u7ef4\u8868\u5f62\u5f0f\u3002\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d&#xff0c;\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u51e0\u4e4e\u5168\u90e8\u5efa\u7acb\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u5173\u7cfb\u8868\u683c\u4e0a&#xff0c;\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u5173\u8054\u7684\u8868\u683c\u5206\u7c7b\u3001\u5408\u5e76\u3001\u8fde\u63a5\u6216\u9009\u53d6\u7b49\u8fd0\u7b97\u6765\u5b9e\u73b0\u6570\u636e\u5e93\u7684\u7ba1\u7406\u3002\u4f8b\u5982&#xff1a;Oracle\u3001MySql\u548cPostgreSQL\u7b49\u3002<\/li>\n<li>\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff0c;\u4e5f\u88ab\u79f0\u4e3a NoSQL \u6570\u636e\u5e93&#xff0c;\u672c\u610f\u662f\u201cNot Only SQL\u201d&#xff0c;\u800c\u975e\u201cNO SQL\u201d\u7684\u610f\u601d&#xff0c;\u56e0\u6b64&#xff0c;NoSQL\u7684\u4ea7\u751f\u5e76\u4e0d\u662f\u8981\u5f7b\u5e95\u5426\u5b9a\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff0c;\u800c\u662f\u4f5c\u4e3a\u4f20\u7edf\u6570\u636e\u5e93\u7684\u4e00\u4e2a\u6709\u6548\u8865\u5145\u3002\u5178\u578b\u4ea7\u54c1\u6709Redis&#xff08;\u6301\u4e45\u5316\u7f13\u5b58&#xff09;\u3001Mongodb\u3001Memcached&#xff08;\u7eaf\u5185\u5b58&#xff09;\u7b49\u3002<\/li>\n<\/ul>\n<h4>\u5173\u7cfb\u6570\u636e\u5e93<\/h4>\n<p>\u5173\u7cfb\u6570\u636e\u5e93\u5c06\u7ed3\u6784\u5316\u6570\u636e\u5b58\u50a8\u5728\u4e00\u7ec4\u76f8\u4e92\u5173\u8054\u7684\u8868\u4e2d\u3002 \u8fd9\u610f\u5473\u7740\u4e00\u4e2a\u8868\u4e2d\u7684\u4fe1\u606f\u53ef\u4ee5\u8f7b\u677e\u5730\u4e0e\u53e6\u4e00\u8868\u4e2d\u7684\u4fe1\u606f\u7ec4\u5408\u5728\u4e00\u8d77&#xff0c;\u4ee5\u5904\u7406\u548c\u63d0\u4f9b\u6709\u5173\u8be5\u6570\u636e\u7684\u62a5\u544a\u3002<\/p>\n<p>\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf&#xff08;RDBMS-relational database management system&#xff09;\u662f\u7528\u4e8e\u7ba1\u7406\u5173\u7cfb\u6570\u636e\u5e93\u7684\u8f6f\u4ef6\u3002\u5927\u591a\u6570\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u90fd\u5141\u8bb8\u60a8\u4f7f\u7528\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00&#xff08;SQL&#xff09;\u67e5\u627e\u548c\u7ba1\u7406\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u8bb8\u591a\u7ec4\u7ec7\u4f7f\u7528\u5173\u7cfb\u6570\u636e\u5e93\u5b58\u50a8\u4e1a\u52a1\u4fe1\u606f&#xff0c;\u4f8b\u5982&#xff1a;\u5e93\u5b58&#xff0c;\u9500\u552e\u548c\u8d22\u52a1\u3002 \u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u8d77\u7740\u5173\u952e\u4f5c\u7528\u3002 \u4f8b\u5982&#xff0c;\u8bb8\u591a\u9700\u8981\u652f\u6301\u52a8\u6001\u751f\u6210\u5185\u5bb9\u7684Web\u5e94\u7528\u7a0b\u5e8f\u90fd\u662f\u56f4\u7ed5LAMP&#xff08;LNMP&#xff09;\u89e3\u51b3\u65b9\u6848\u6784\u5efa&#xff1a;<\/p>\n<ul>\n<li>Linux \u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u73af\u5883\u3002<\/li>\n<li>Apache HTTPS  Server\u6216Nginx&#xff0c;\u63d0\u4f9bWeb\u670d\u52a1\u5668\u3002<\/li>\n<li>MariaDB&#xff0c;MySQL\u6216\u5176\u4ed6\u5173\u7cfb\u6570\u636e\u5e93&#xff0c;\u4f8b\u5982PostgreSQL&#xff0c;\u7528\u4e8e\u5b58\u50a8\u7ad9\u70b9\u6570\u636e\u3002<\/li>\n<li>\u7531 Web \u670d\u52a1\u5668\u8fd0\u884c\u7684\u7f16\u7a0b\u8bed\u8a00&#xff0c;\u4f8b\u5982 PHP&#xff0c;Python&#xff0c;Perl&#xff0c;Ruby&#xff0c;Java&#xff0c;\u670d\u52a1\u5668\u7aefJavaScript\u6216\u5176\u4ed6&#xff0c;\u53ef\u4ee5\u66f4\u65b0\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5e76\u4f7f\u7528\u5b83\u4e3a\u7528\u6237\u52a8\u6001\u6784\u5efa\u7f51\u9875\u3002<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u5173\u7cfb\u6570\u636e\u5e93\u901a\u5e38\u4e0e\u7cfb\u7edf\u7ba1\u7406\u5458\u7ba1\u7406\u7684\u5e94\u7528\u7a0b\u5e8f\u96c6\u6210\u5728\u4e00\u8d77&#xff0c;\u56e0\u6b64\u5373\u4f7f\u60a8\u4e0d\u662f\u6570\u636e\u5e93\u7ba1\u7406\u5458&#xff0c;\u4e5f\u6709\u5fc5\u8981\u4e86\u89e3\u8fd9\u4e9b\u670d\u52a1\u53ca\u5176\u6570\u636e\u7684\u5b89\u88c5\u548c\u7ba1\u7406\u77e5\u8bc6\u3002<\/p>\n<h3>\u90e8\u7f72 MariaDB<\/h3>\n<h4>\u5b89\u88c5 MariaDB<\/h4>\n<p><span class=\"token comment\"># \u5b89\u88c5\u670d\u52a1\u7aef<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y mariadb-server<\/span><\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5\u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y mariadb<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u7528\u5e76\u542f\u52a8\u670d\u52a1<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl enable &#8211;now mariadb<\/span><\/p>\n<p><span class=\"token comment\"># \u914d\u7f6e\u9632\u706b\u5899<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># firewall-cmd &#8211;permanent &#8211;add-service&#061;mysql<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># firewall-cmd &#8211;reload<\/span><\/p>\n<h4>MariaDB \u8fdb\u7a0b<\/h4>\n<p>MariaDB \u542f\u52a8\u540e\u540c\u65f6\u51fa\u73b0 mysqld_safe \u548c mysqld \u4e24\u4e2a\u8fdb\u7a0b\u662f\u5b8c\u5168\u6b63\u5e38\u7684&#xff0c;\u8fd9\u662f MariaDB&#xff08;\u4ee5\u53ca MySQL&#xff09;\u7684\u6807\u51c6\u8fd0\u884c\u673a\u5236\u3002<\/p>\n<h5>\u4e24\u4e2a\u8fdb\u7a0b\u7684\u6838\u5fc3\u4f5c\u7528<\/h5>\n<li>\n<p>mysqld_safe \u5e76\u4e0d\u662f\u6570\u636e\u5e93\u7684\u6838\u5fc3\u670d\u52a1\u8fdb\u7a0b&#xff0c;\u800c\u662f\u4e00\u4e2a\u76d1\u63a7\u548c\u5b88\u62a4\u7a0b\u5e8f&#xff0c;\u4e3b\u8981\u8d1f\u8d23&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5b89\u5168\u542f\u52a8 mysqld \u6838\u5fc3\u8fdb\u7a0b&#xff0c;\u5904\u7406\u542f\u52a8\u524d\u7684\u73af\u5883\u68c0\u67e5&#xff08;\u6bd4\u5982\u914d\u7f6e\u6587\u4ef6\u52a0\u8f7d\u3001\u6743\u9650\u9a8c\u8bc1&#xff09;&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u65f6\u76d1\u63a7 mysqld \u8fdb\u7a0b\u72b6\u6001&#xff0c;\u5982\u679c mysqld \u610f\u5916\u5d29\u6e83 \/ \u9000\u51fa&#xff0c;mysqld_safe \u4f1a\u81ea\u52a8\u91cd\u542f\u5b83&#xff0c;\u4fdd\u8bc1\u670d\u52a1\u4e0d\u4e2d\u65ad&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u7edf\u4e00\u7ba1\u7406\u65e5\u5fd7\u8f93\u51fa&#xff08;\u628a mysqld \u7684\u65e5\u5fd7\u91cd\u5b9a\u5411\u5230\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u6bd4\u5982 error.log&#xff09;&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5904\u7406\u4e00\u4e9b\u542f\u52a8\u53c2\u6570\u7684\u517c\u5bb9\u8f6c\u6362&#xff0c;\u7b80\u5316\u7528\u6237\u7684\u542f\u52a8\u914d\u7f6e\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>mysqld \u662f MariaDB \u7684\u6838\u5fc3\u8fdb\u7a0b&#xff0c;\u6570\u636e\u5e93\u7684\u6240\u6709\u6838\u5fc3\u529f\u80fd\u90fd\u7531\u5b83\u5b9e\u73b0&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42&#xff08;\u6bd4\u5982 SQL \u67e5\u8be2\u3001\u6570\u636e\u5199\u5165&#xff09;&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u7ba1\u7406\u5185\u5b58\u3001\u78c1\u76d8\u6570\u636e&#xff08;\u8868\u3001\u7d22\u5f15\u3001\u4e8b\u52a1\u7b49&#xff09;&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u6267\u884c SQL \u8bed\u53e5\u3001\u7ef4\u62a4\u6570\u636e\u4e00\u81f4\u6027&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u8d1f\u8d23\u9501\u673a\u5236\u3001\u4e8b\u52a1\u5904\u7406\u3001\u590d\u5236\u7b49\u6838\u5fc3\u529f\u80fd\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h5>\u8fdb\u7a0b\u5173\u7cfb\u4e0e\u9a8c\u8bc1\u65b9\u5f0f<\/h5>\n<p>\u4e24\u8005\u662f\u7236\u8fdb\u7a0b &#8211; \u5b50\u8fdb\u7a0b\u7684\u5173\u7cfb&#xff1a;mysqld_safe \u662f\u7236\u8fdb\u7a0b&#xff0c;mysqld \u662f\u5b83\u542f\u52a8\u7684\u5b50\u8fdb\u7a0b\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u76f4\u89c2\u9a8c\u8bc1&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u8fdb\u7a0b\u7684\u7236\u5b50\u5173\u7cfb&#xff08;\u4ee5 CentOS\/RHEL \u4e3a\u4f8b&#xff09;<\/span><br \/>\n<span class=\"token function\">ps<\/span> -ef <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> -E <span class=\"token string\">&#039;mysqld_safe|mysqld&#039;<\/span><\/p>\n<p><span class=\"token comment\"># \u6216\u7528 pstree \u67e5\u770b\u8fdb\u7a0b\u6811&#xff08;\u66f4\u76f4\u89c2&#xff09;<\/span><br \/>\npstree <span class=\"token operator\">|<\/span> <span class=\"token function\">grep<\/span> mysqld<\/p>\n<p>\u8f93\u51fa\u793a\u4f8b&#xff08;\u6838\u5fc3\u90e8\u5206&#xff09;&#xff1a;<\/p>\n<p>root      <span class=\"token number\">1234<\/span>     <span class=\"token number\">1<\/span>  <span class=\"token number\">0<\/span> <span class=\"token number\">10<\/span>:00 ?        00:00:00 \/bin\/sh \/usr\/bin\/mysqld_safe &#8211;datadir<span class=\"token operator\">&#061;<\/span>\/var\/lib\/mysql &#8211;socket<span class=\"token operator\">&#061;<\/span>\/var\/lib\/mysql\/mysql.sock<br \/>\nmysql     <span class=\"token number\">1456<\/span>  <span class=\"token number\">1234<\/span>  <span class=\"token number\">0<\/span> <span class=\"token number\">10<\/span>:00 ?        00:00:05 \/usr\/libexec\/mysqld &#8211;basedir<span class=\"token operator\">&#061;<\/span>\/usr &#8211;datadir<span class=\"token operator\">&#061;<\/span>\/var\/lib\/mysql <span class=\"token punctuation\">..<\/span>.<\/p>\n<p>\u53ef\u4ee5\u770b\u5230&#xff1a;<\/p>\n<ul>\n<li>mysqld_safe \u7531 root \u7528\u6237\u8fd0\u884c&#xff08;\u9700\u8981\u66f4\u9ad8\u6743\u9650\u505a\u73af\u5883\u51c6\u5907&#xff09;&#xff1b;<\/li>\n<li>mysqld \u7531 mysql \u666e\u901a\u7528\u6237\u8fd0\u884c&#xff08;\u5b89\u5168\u539f\u5219&#xff09;&#xff0c;\u4e14\u7236\u8fdb\u7a0b ID \u662f mysqld_safe \u7684\u8fdb\u7a0b ID&#xff08;1234&#xff09;\u3002<\/li>\n<\/ul>\n<h5>\u7279\u6b8a\u573a\u666f&#xff1a;\u4ec5\u770b\u5230 mysqld \u8fdb\u7a0b<\/h5>\n<p>\u5982\u679c\u4f60\u7684 MariaDB \u542f\u52a8\u540e\u53ea\u6709 mysqld \u8fdb\u7a0b&#xff0c;\u6ca1\u6709 mysqld_safe&#xff0c;\u901a\u5e38\u662f\u56e0\u4e3a&#xff1a;<\/p>\n<li>\u4f7f\u7528\u4e86 systemd \u7ba1\u7406&#xff08;\u73b0\u4ee3 Linux \u7cfb\u7edf&#xff09;&#xff1a;systemctl start mariadb \u4f1a\u76f4\u63a5\u542f\u52a8 mysqld&#xff0c;\u7531 systemd \u66ff\u4ee3 mysqld_safe \u505a\u5b88\u62a4&#xff1b;<\/li>\n<li>\u624b\u52a8\u4ee5\u540e\u53f0\u65b9\u5f0f\u542f\u52a8 mysqld&#xff1a;\u6bd4\u5982 mysqld &#8211;daemonize&#xff0c;\u6b64\u65f6\u6ca1\u6709\u5b88\u62a4\u8fdb\u7a0b&#xff0c;\u5d29\u6e83\u540e\u4e0d\u4f1a\u81ea\u52a8\u91cd\u542f\u3002<\/li>\n<h4>\u52a0\u56fa MariaDB<\/h4>\n<p>MariaDB\u6570\u636e\u5e93\u9ed8\u8ba4\u5177\u6709test\u6570\u636e\u5e93\u548c\u4e00\u4e9b\u4e0d\u592a\u5b89\u5168\u7684\u914d\u7f6e\u3002\u8fd0\u884cmysql_secure_installation\u4fee\u6539\u8fd9\u4e9b\u914d\u7f6e\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql_secure_installation<\/span><\/p>\n<p>\u4ea4\u4e92\u5f0f\u63d0\u793a\u60a8\u8fdb\u884c\u66f4\u6539&#xff0c;\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u4e3a root \u5e10\u6237\u8bbe\u7f6e\u5bc6\u7801\u3002<\/li>\n<li>\u7981\u6b62 root \u5e10\u6237\u4ece\u672c\u5730\u4e3b\u673a\u5916\u90e8\u8bbf\u95ee\u6570\u636e\u5e93\u3002<\/li>\n<li>\u5220\u9664 \u533f\u540d \u7528\u6237\u5e10\u6237\u3002<\/li>\n<li>\u5220\u9664\u7528\u4e8e\u6f14\u793a\u7684 test \u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<h4>\u8fde\u63a5 MariaDB<\/h4>\n<p>MariaDB\u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u8fde\u63a5\u5230\u670d\u52a1\u5668&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5982\u679c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c&#xff0c;\u5219\u5b83\u53ef\u4ee5\u4f7f\u7528\u7279\u6b8a\u7684\u5957\u63a5\u5b57\u6587\u4ef6(socket)\u4e0eMariaDB\u901a\u4fe1\u3002 \u8fd9\u79cd\u65b9\u5f0f\u66f4\u5b89\u5168&#xff0c;\u56e0\u4e3aMariaDB\u4e0d\u9700\u8981\u4fa6\u542c\u6765\u81ea\u7f51\u7edc\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002 \u4f46\u662f&#xff0c;\u4f7f\u7528\u8be5\u6570\u636e\u5e93\u7684\u670d\u52a1\u90fd\u9700\u8981\u5728MariaDB\u670d\u52a1\u5668\u4e0a\u8fd0\u884c&#xff0c;\u4f1a\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~ <span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root<\/span><br \/>\nWelcome to the MariaDB monitor.  Commands end with <span class=\"token punctuation\">;<\/span> or <span class=\"token punctuation\">\\\\<\/span>g.<br \/>\nYour MariaDB connection <span class=\"token function\">id<\/span> is <span class=\"token number\">2<\/span><br \/>\nServer version: <span class=\"token number\">5.5<\/span>.68-MariaDB MariaDB Server<\/p>\n<p>Copyright <span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span> <span class=\"token number\">2000<\/span>, <span class=\"token number\">2018<\/span>, Oracle, MariaDB Corporation Ab and others.<\/p>\n<p>Type <span class=\"token string\">&#039;help;&#039;<\/span> or <span class=\"token string\">&#039;\\\\h&#039;<\/span> <span class=\"token keyword\">for<\/span> help. Type <span class=\"token string\">&#039;\\\\c&#039;<\/span> to <span class=\"token function\">clear<\/span> the current input statement.<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6237\u7aef\u53ef\u4ee5\u4f7f\u7528TCP\/IP\u7f51\u7edc\u8fde\u63a5\u5230MariaDB\u670d\u52a1\u3002 \u8fdc\u7a0b\u670d\u52a1\u5668\u4e0eMariaDB\u670d\u52a1\u5668\u8fd0\u884c\u5728\u4e0d\u540c\u4e3b\u673a\u3002 \u6b64\u65f6\u670d\u52a1\u5668\u9700\u8981\u914d\u7f6e\u4fa6\u542c\u7aef\u53e33306\/TCP\u4e0a\u7684\u8fde\u63a5\u3002<\/p>\n<p><span class=\"token comment\"># \u6570\u636e\u5e93\u670d\u52a1\u5668\u672c\u673a\u521b\u5efa\u8fde\u63a5\u7528\u6237<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~ <span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root -p<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> create user bao&#064;<span class=\"token string\">&#039;%&#039;<\/span> identified by <span class=\"token string\">&#039;123&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQuery OK, <span class=\"token number\">0<\/span> rows affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.00<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> flush privileges<span class=\"token punctuation\">;<\/span><br \/>\nQuery OK, <span class=\"token number\">0<\/span> rows affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.00<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5ba2\u6237\u7aef\u6d4b\u8bd5<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;client ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u bao -p123 -h server<\/span><\/p>\n<\/li>\n<\/ul>\n<h4>\u914d\u7f6e MariaDB<\/h4>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;MariaDB \u4fa6\u542c\u7cfb\u7edf\u4e2d\u6240\u6709\u7f51\u7edc\u5730\u5740\u4e0a3306\/TCP\u7aef\u53e3\u3002<\/p>\n<p>\u5728 CentOS 7 \u4e2d&#xff0c;MariaDB \u7684\u914d\u7f6e\u6587\u4ef6\u91c7\u7528 \u201c\u4e3b\u914d\u7f6e\u6587\u4ef6 &#043; \u7ec6\u5206\u914d\u7f6e\u6587\u4ef6\u201d \u7684\u5206\u5c42\u7ed3\u6784&#xff0c;\u6838\u5fc3\u6587\u4ef6\u96c6\u4e2d\u5728 \/etc\/my.cnf \u548c \/etc\/my.cnf.d\/ \u76ee\u5f55\u4e0b\u3002<\/p>\n<h5>\u4e3b\u914d\u7f6e\u6587\u4ef6<\/h5>\n<p>\/etc\/my.cnf&#xff0c;MariaDB \u7684\u5168\u5c40\u4e3b\u914d\u7f6e\u6587\u4ef6&#xff0c;\u662f\u670d\u52a1\u542f\u52a8\u65f6\u4f18\u5148\u8bfb\u53d6\u7684\u914d\u7f6e\u5165\u53e3\u3002<\/p>\n<ul>\n<li>\u672c\u8eab\u53ef\u76f4\u63a5\u5199\u5165\u6240\u6709\u914d\u7f6e\u53c2\u6570&#xff08;\u8986\u76d6\u5ba2\u6237\u7aef\u3001\u670d\u52a1\u5668\u7aef\u914d\u7f6e&#xff09;&#xff1b;<\/li>\n<li>\u9ed8\u8ba4\u4f1a\u901a\u8fc7 !includedir \/etc\/my.cnf.d\/ \u6307\u4ee4&#xff0c;\u52a0\u8f7d \/etc\/my.cnf.d\/ \u76ee\u5f55\u4e0b\u7684\u6240\u6709 .cnf \u7ec6\u5206\u914d\u7f6e\u6587\u4ef6&#xff1b;<\/li>\n<li>\u4f18\u5148\u7ea7\u6700\u9ad8&#xff1a;\u82e5\u7ec6\u5206\u914d\u7f6e\u6587\u4ef6\u4e0e\u4e3b\u6587\u4ef6\u53c2\u6570\u51b2\u7a81&#xff0c;\u4ee5 my.cnf \u4e2d\u7684\u914d\u7f6e\u4e3a\u51c6\u3002<\/li>\n<\/ul>\n<h5>\u7ec6\u5206\u914d\u7f6e\u6587\u4ef6<\/h5>\n<p>\/etc\/my.cnf.d\/ \u76ee\u5f55\u4e0b\u6587\u4ef6\u662f\u7ec6\u5206\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<ul>\n<li>\n<p>\/etc\/my.cnf.d\/server.cnf&#xff0c;\u4e13\u95e8\u914d\u7f6e MariaDB \u670d\u52a1\u5668\u7aef&#xff08;mysqld \u8fdb\u7a0b&#xff09;\u7684\u53c2\u6570&#xff0c;\u4ec5\u5bf9\u6570\u636e\u5e93\u670d\u52a1\u672c\u8eab\u751f\u6548\u3002<\/p>\n<p>\u53c2\u6570\u9700\u653e\u5728 [mysqld]\u3001[mysqld_safe] \u7b49\u670d\u52a1\u5668\u7aef\u4e13\u5c5e\u6bb5\u843d\u4e2d\u3002<\/p>\n<p>\u5e38\u89c1\u914d\u7f6e\u9879&#xff1a;<\/p>\n<ul>\n<li>\u7aef\u53e3&#xff08;port &#061; 3306&#xff09;\u3001\u76d1\u542c\u5730\u5740&#xff08;bind-address &#061; 0.0.0.0&#xff09;&#xff1b;<\/li>\n<li>\u6570\u636e\u76ee\u5f55&#xff08;datadir &#061; \/var\/lib\/mysql&#xff09;\u3001\u7f13\u5b58\u5927\u5c0f&#xff08;innodb_buffer_pool_size&#xff09;&#xff1b;<\/li>\n<li>\u7981\u7528\u7f51\u7edc\u8fde\u63a5&#xff08;skip-networking &#061; 1&#xff09;&#xff0c;\u7981\u7528\u7f51\u7edc\u8fde\u63a5&#xff0c;\u5ba2\u6237\u7aef\u53ea\u80fd\u4f7f\u7528\u5957\u63a5\u5b57\u6587\u4ef6\u4e0eMariaDB\u901a\u4fe1\u3002 \u5982\u679c\u60a8\u8bbe\u7f6eskip-networking &#061; 0&#xff08;\u9ed8\u8ba4\u503c&#xff09;&#xff0c;MariaDB\u4f1a\u4fa6\u542c\u7f51\u7edc\u8fde\u63a5\u3002<\/li>\n<li>\u5b58\u50a8\u5f15\u64ce&#xff08;default-storage-engine &#061; InnoDB&#xff09;\u3001\u65e5\u5fd7\u914d\u7f6e&#xff08;log_error\u3001slow_query_log&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\/etc\/my.cnf.d\/client.cnf&#xff0c;\u914d\u7f6e\u6240\u6709 MariaDB \u5ba2\u6237\u7aef\u5de5\u5177\u7684\u901a\u7528\u53c2\u6570&#xff08;\u5982 mysql\u3001mysqldump\u3001mysqladmin \u7b49&#xff09;&#xff0c;\u7b80\u5316\u5ba2\u6237\u7aef\u8fde\u63a5\u64cd\u4f5c\u3002<\/p>\n<p>\u53c2\u6570\u9700\u653e\u5728 [client] \u901a\u7528\u6bb5\u843d\u4e2d&#xff08;\u6240\u6709\u5ba2\u6237\u7aef\u5de5\u5177\u90fd\u4f1a\u8bfb\u53d6&#xff09;\u3002<\/p>\n<p>\u5e38\u89c1\u914d\u7f6e\u9879&#xff1a;<\/p>\n<ul>\n<li>\u9ed8\u8ba4\u7528\u6237\u540d&#xff08;user &#061; root&#xff09;\u3001\u9ed8\u8ba4\u5bc6\u7801&#xff08;password &#061; 123456&#xff0c;\u4e0d\u63a8\u8350\u660e\u6587\u5b58\u50a8&#xff09;&#xff1b;<\/li>\n<li>\u9ed8\u8ba4\u4e3b\u673a&#xff08;host &#061; localhost&#xff09;\u3001\u9ed8\u8ba4\u7aef\u53e3&#xff08;port &#061; 3306&#xff09;&#xff1b;<\/li>\n<li>\u5b57\u7b26\u96c6&#xff08;default-character-set &#061; utf8mb4&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>mysql<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token assign-left variable\">user<\/span><span class=\"token operator\">&#061;<\/span>bao<br \/>\n<span class=\"token assign-left variable\">password<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">123<\/span><br \/>\n<span class=\"token assign-left variable\">host<\/span><span class=\"token operator\">&#061;<\/span>server<br \/>\n<span class=\"token assign-left variable\">port<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">3306<\/span><br \/>\n<span class=\"token comment\"># database&#061;test<\/span><\/p>\n<\/li>\n<li>\n<p>\/etc\/my.cnf.d\/mysql-clients.cnf&#xff0c;\u4e0e client.cnf \u529f\u80fd\u7c7b\u4f3c&#xff0c;\u4e5f\u662f\u914d\u7f6e\u5ba2\u6237\u7aef\u5de5\u5177&#xff0c;\u66f4\u504f\u5411\u4e8e mysql \u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u7684\u4e13\u5c5e\u4f18\u5316&#xff08;\u90e8\u5206\u7cfb\u7edf\u4e2d\u4e0e client.cnf \u529f\u80fd\u91cd\u53e0&#xff0c;\u53ef\u4e92\u8865\u4f7f\u7528&#xff09;\u3002<\/p>\n<p>\u4f18\u5148\u7ea7\u4f4e\u4e8e client.cnf&#xff0c;\u82e5\u4e24\u8005\u914d\u7f6e\u51b2\u7a81&#xff0c;\u4ee5 client.cnf \u4e3a\u51c6\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>MariaDB \u4e2d SQL<\/h3>\n<h4>SQL \u4ecb\u7ecd<\/h4>\n<p>SQL(Structured Query Language)&#xff0c;\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00&#xff0c;\u662f1986\u5e7410 \u6708\u7531\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u5c40\u9881\u5e03\u7684\u6570\u636e\u5e93\u8bed\u8a00\u3002\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7&#xff08;ISO&#xff09;\u4e5f\u9881\u5e03\u4e86SQL\u56fd\u9645\u6807\u51c6\u3002<\/p>\n<p>\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\u662f\u5173\u7cfb\u6570\u636e\u5e93\u6700\u91cd\u8981\u7684\u64cd\u4f5c\u8bed\u8a00&#xff0c;\u5b83\u7684\u5f71\u54cd\u5df2\u7ecf\u8d85\u51fa\u6570\u636e\u5e93\u9886\u57df&#xff0c;\u5f97\u5230\u5176\u4ed6\u9886\u57df\u7684\u91cd\u89c6\u548c\u91c7\u7528&#xff0c;\u5982\u4eba\u5de5\u667a\u80fd\u9886\u57df\u7684\u6570\u636e\u68c0\u7d22&#xff0c;\u7b2c\u56db\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u4e2d\u5d4c\u5165SQL\u7684\u8bed\u8a00\u7b49\u3002<\/p>\n<p>SQL\u8bed\u53e5\u53ef\u7b80\u5355\u5206\u4e3a\u5982\u4e0b\u51e0\u7c7b&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u67e5\u8be2\u8bed\u8a00&#xff08;DQL&#xff1a;Data Query Language&#xff09;&#xff1a;\u4e5f\u79f0\u4e3a\u201c\u6570\u636e\u68c0\u7d22\u8bed\u53e5\u201d&#xff0c;\u7528\u4ee5\u4ece\u8868\u4e2d\u83b7\u5f97\u6570\u636e&#xff0c;\u4fdd\u7559\u5b57SELECT WHERE&#xff0c;ORDER BY&#xff0c;GROUP BY\u548cHAVING\u3002<\/li>\n<li>\u6570\u636e\u64cd\u4f5c\u8bed\u8a00&#xff08;DML&#xff1a;Data Manipulation Language&#xff09;&#xff1a;\u5176\u8bed\u53e5\u5305\u62ec\u52a8\u8bcdINSERT&#xff0c;UPDATE\u548cDELETE\u3002<\/li>\n<li>\u6570\u636e\u5b9a\u4e49\u8bed\u8a00&#xff08;DDL&#xff09;&#xff1a;\u5176\u8bed\u53e5\u5305\u62ec\u52a8\u8bcdCREATE\u548cDROP\u3002\u4f8b\u5982&#xff0c;\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u65b0\u8868&#xff08;CREATE TABLE&#xff09;\u3001\u5220\u9664\u8868&#xff08;DROP TABLE&#xff09;&#xff0c;\u4e3a\u8868\u6dfb\u52a0\u7d22\u5f15\u7b49\u3002<\/li>\n<li>\u4e8b\u52a1\u5904\u7406\u8bed\u8a00&#xff08;TPL&#xff09;&#xff1a;\u5b83\u7684\u8bed\u53e5\u80fd\u786e\u4fdd\u88abDML\u8bed\u53e5\u5f71\u54cd\u7684\u8868\u7684\u6240\u6709\u884c\u53ca\u65f6\u5f97\u4ee5\u66f4\u65b0\u3002TPL\u8bed\u53e5\u5305\u62ecBEGIN TRANSACTION&#xff0c;COMMIT\u548cROLLBACK\u3002<\/li>\n<li>\u6570\u636e\u63a7\u5236\u8bed\u8a00&#xff08;DCL&#xff09;&#xff1a;\u5b83\u7684\u8bed\u53e5\u901a\u8fc7GRANT\u6216REVOKE\u83b7\u5f97\u8bb8\u53ef&#xff0c;\u786e\u5b9a\u5355\u4e2a\u7528\u6237\u548c\u7528\u6237\u7ec4\u5bf9\u6570\u636e\u5e93\u5bf9\u8c61\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h4>\u8fde\u63a5\u6570\u636e\u5e93<\/h4>\n<p>mariadb\u8f6f\u4ef6\u5305\u63d0\u4f9b\u547d\u4ee4mysql&#xff0c;\u8be5\u547d\u4ee4\u652f\u6301\u5bf9MariaDB\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u5f0f\u548c\u975e\u4ea4\u4e92\u5f0f\u8bbf\u95ee\u3002<\/p>\n<ul>\n<li>\u4ea4\u4e92\u5f0f\u6267\u884c\u65f6&#xff0c;\u7ed3\u679c\u4ee5ASCII\u8868\u7684\u683c\u5f0f\u663e\u793a\u3002<\/li>\n<li>\u975e\u4ea4\u4e92\u6267\u884c\u65f6&#xff0c;\u7ed3\u679c\u4ee5\u5236\u8868\u7b26\u5206\u9694\u7684\u683c\u5f0f\u663e\u793a\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root -h localhost -p<\/span><\/p>\n<p>\u9996\u6b21\u5b89\u88c5\u65f6&#xff0c;MariaDB\u9ed8\u8ba4\u8bbe\u7f6eroot\u7528\u6237\u5e10\u6237\u65e0\u9700\u5bc6\u7801\u5373\u53ef\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root<\/span><br \/>\nWelcome to the MariaDB monitor.  Commands end with <span class=\"token punctuation\">;<\/span> or <span class=\"token punctuation\">\\\\<\/span>g.<br \/>\nYour MariaDB connection <span class=\"token function\">id<\/span> is <span class=\"token number\">8<\/span><br \/>\nServer version: <span class=\"token number\">10.3<\/span>.17-MariaDB MariaDB Server<\/p>\n<p>Copyright <span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span> <span class=\"token number\">2000<\/span>, <span class=\"token number\">2018<\/span>, Oracle, MariaDB Corporation Ab and others.<\/p>\n<p>Type <span class=\"token string\">&#039;help;&#039;<\/span> or <span class=\"token string\">&#039;\\\\h&#039;<\/span> <span class=\"token keyword\">for<\/span> help. Type <span class=\"token string\">&#039;\\\\c&#039;<\/span> to <span class=\"token function\">clear<\/span> the current input statement.<\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u5f53\u524d\u767b\u5f55\u7528\u6237<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT <span class=\"token environment constant\">USER<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token environment constant\">USER<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>           <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span>  root&#064;localhost  <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token number\">1<\/span> row <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.003<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6267\u884c\u4ea4\u4e92\u5f0fSQL\u8bed\u53e5\u65f6&#xff0c;MariaDB\u63d0\u793a\u7b26\u5728\u65b9\u62ec\u53f7\u4e2d\u663e\u793a\u60a8\u5f53\u524d\u9009\u62e9\u6570\u636e\u5e93\u3002<\/p>\n<h4>\u6570\u636e\u5e93\u64cd\u4f5c<\/h4>\n<h5>\u67e5\u8be2\u6570\u636e\u5e93\u5217\u8868<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SHOW DATABASES<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span> Database           <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span> information_schema <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> mysql              <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> performance_schema <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token number\">3<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.019<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6570\u636e\u5e93\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>mysql \u6570\u636e\u5e93&#xff0c;\u662f\u4e00\u4e2a\u7cfb\u7edf\u6570\u636e\u5e93&#xff0c;\u4fdd\u5b58\u6570\u636e\u5e93\u7528\u6237\u53ca\u5176\u8bbf\u95ee\u6743\u9650\u7b49\u4fe1\u606f\u3002<\/li>\n<li>INFORMATION_SCHEMA \u6570\u636e\u5e93&#xff0c;\u4fdd\u5b58\u5173\u4e8e\u6570\u636e\u5e93\u6216\u8005\u6570\u636e\u8868\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002<\/li>\n<li>PERFORMANCE_SCHEMA \u6570\u636e\u5e93&#xff0c;\u4fdd\u5b58\u6570\u636e\u5e93\u670d\u52a1\u5668\u6027\u80fd\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h5>\u4f7f\u7528\u6570\u636e\u5e93<\/h5>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 USE \u8bed\u53e5\u9009\u62e9\u6570\u636e\u5e93\u4e4b\u4e00&#xff0c;\u4f8b\u5982&#xff1a;USE mysql;&#xff0c;\u540e\u7eed\u9ed8\u8ba4\u64cd\u4f5c\u7684\u8868\u5c5e\u4e8emysql\u6570\u636e\u5e93\u3002<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">USE<\/span> mysql<span class=\"token punctuation\">;<\/span><br \/>\nReading <span class=\"token keyword\">table<\/span> information <span class=\"token keyword\">for<\/span> completion <span class=\"token keyword\">of<\/span> <span class=\"token keyword\">table<\/span> <span class=\"token operator\">and<\/span> <span class=\"token keyword\">column<\/span> names<br \/>\nYou can turn <span class=\"token keyword\">off<\/span> this feature <span class=\"token keyword\">to<\/span> get a quicker startup <span class=\"token keyword\">with<\/span> <span class=\"token operator\">&#8211;<\/span>A<\/p>\n<p><span class=\"token keyword\">Database<\/span> changed<br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>mysql<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <\/p>\n<p>SQL\u8bed\u53e5\u4e0d\u533a\u5206\u5927\u5c0f\u5199&#xff0c;\u4f46\u6570\u636e\u5e93\u540d\u79f0\u533a\u5206\u5927\u5c0f\u5199\u3002 \u901a\u5e38\u7684\u505a\u6cd5\u662f\u6570\u636e\u5e93\u540d\u79f0\u5168\u4e3a\u5c0f\u5199\u5b57\u6bcd&#xff0c;SQL\u8bed\u53e5\u5168\u4e3a\u5927\u5199\u5b57\u6bcd&#xff0c;\u4ee5\u533a\u5206SQL\u8bed\u53e5\u4e0e\u8bed\u53e5\u7684\u76ee\u6807\u6216\u53c2\u6570\u3002<\/p>\n<h5>\u521b\u5efa\u6570\u636e\u5e93<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>mysql<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">DATABASE<\/span> bao<span class=\"token punctuation\">;<\/span><br \/>\nQuery OK<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span> <span class=\"token keyword\">row<\/span> affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.010<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>mysql<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">USE<\/span> bao<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">Database<\/span> changed<\/p>\n<h5>\u5220\u9664\u6570\u636e\u5e93<\/h5>\n<p>DROP DATABASE\u8bed\u53e5\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868\u5e76\u5220\u9664\u6570\u636e\u5e93\u3002 \u8fd9\u5c06\u7834\u574f\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u6570\u636e\u3002 \u53ea\u6709\u5bf9\u8be5\u6570\u636e\u5e93\u5177\u6709DROP\u7279\u6743\u7684\u7528\u6237\u624d\u80fd\u8fd0\u884c\u6b64\u8bed\u53e5\u3002 \u8fd9\u4e0d\u4f1a\u66f4\u6539\u6570\u636e\u5e93\u7684\u7528\u6237\u7279\u6743\u3002 \u5982\u679c\u91cd\u65b0\u521b\u5efa\u5177\u6709\u8be5\u540d\u79f0\u7684\u6570\u636e\u5e93&#xff0c;\u5219\u4e3a\u65e7\u6570\u636e\u5e93\u8bbe\u7f6e\u7684\u7528\u6237\u6743\u9650\u4ecd\u7136\u6709\u6548\u3002<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">DROP<\/span> <span class=\"token keyword\">DATABASE<\/span> bao<span class=\"token punctuation\">;<\/span><br \/>\nQuery OK<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">rows<\/span> affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.006<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u8868\u64cd\u4f5c<\/h4>\n<p>SQL CRUD\u64cd\u4f5c&#xff08;create \u6dfb\u52a0\u6570\u636e read\u8bfb\u53d6\u6570\u636e update \u4fee\u6539\u6570\u636edelete\u5220\u9664\u6570\u636e&#xff09;\u3002<\/p>\n<h5>\u73af\u5883\u51c6\u5907<\/h5>\n<p><span class=\"token comment\"># \u5bfc\u5165\u5907\u4efd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -uroot -p123 -e &#039;create database inventory;&#039;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -uroot -p123 inventory &lt; inventory.dump<\/span><\/p>\n<h5>\u67e5\u8be2\u8868<\/h5>\n<h6>\u67e5\u8be2\u8868\u5217\u8868<\/h6>\n<p><span class=\"token comment\"># \u67e5\u8be2\u8868\u5217\u8868<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> USE inventory<span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SHOW TABLES<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span> Tables_in_inventory <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span> category            <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> manufacturer        <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> product             <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token number\">3<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.001<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<h6>\u67e5\u8be2\u8868\u7ed3\u6784<\/h6>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> DESCRIBE product<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#043;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> Field           <span class=\"token operator\">|<\/span> Type         <span class=\"token operator\">|<\/span> Null <span class=\"token operator\">|<\/span> Key <span class=\"token operator\">|<\/span> Default <span class=\"token operator\">|<\/span> Extra          <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#043;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">id<\/span>              <span class=\"token operator\">|<\/span> int<span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span>      <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span> PRI <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span> auto_increment <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> name            <span class=\"token operator\">|<\/span> varchar<span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span>     <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span>                <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> price           <span class=\"token operator\">|<\/span> double       <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span>     <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span>                <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> stock           <span class=\"token operator\">|<\/span> int<span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span>      <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span>     <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span>                <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> id_category     <span class=\"token operator\">|<\/span> int<span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span>      <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span>     <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span>                <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> id_manufacturer <span class=\"token operator\">|<\/span> int<span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span>      <span class=\"token operator\">|<\/span> NO   <span class=\"token operator\">|<\/span>     <span class=\"token operator\">|<\/span> NULL    <span class=\"token operator\">|<\/span>                <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#043;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token number\">6<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.008<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <\/p>\n<p>\u8f93\u51fa\u663e\u793a&#xff0c;\u8868\u683c\u4e2d\u6709\u516d\u5217&#xff08;\u5c5e\u6027&#xff09;&#xff1a;<\/p>\n<ul>\n<li>Field \u5217&#xff0c;\u663e\u793a\u8be5\u5c5e\u6027\u540d\u79f0\u3002<\/li>\n<li>Type \u5217&#xff0c;\u663e\u793a\u8be5\u5c5e\u6027\u7684\u6570\u636e\u5fc5\u987b\u91c7\u7528\u7684\u683c\u5f0f\u3002\u4f8b\u5982&#xff0c;stock\u5c5e\u6027\u5fc5\u987b\u662f\u6700\u591a11\u4f4d\u6570\u5b57\u7684\u6574\u6570\u3002<\/li>\n<li>Null \u5217&#xff0c;\u6307\u793a\u6b64\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u4e3anull\u3002<\/li>\n<li>Default \u5217&#xff0c;\u6307\u793a\u5982\u679c\u672a\u6307\u5b9a\u8be5\u5c5e\u6027&#xff0c;\u5219\u662f\u5426\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u503c\u3002<\/li>\n<li>Key \u5217&#xff0c;\u663e\u793a\u5c5e\u6027ID\u662fprimary key\u3002 \u4e3b\u952e\u662f\u8868\u4e2d\u4e00\u884c\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002 \u8be5\u5c5e\u6027\u7684\u4efb\u4f55\u5176\u4ed6\u884c\u90fd\u4e0d\u80fd\u5177\u6709\u76f8\u540c\u7684\u503c\u3002<\/li>\n<li>Extra\u5217&#xff0c;\u63d0\u4f9b\u8be5\u5217\u989d\u5916\u4fe1\u606f&#xff0c;\u5bf9\u4e8eid\u5b57\u6bb5\u6807\u8bb0\u4e3aauto_increment\u3002 \u8fd9\u610f\u5473\u7740\u6bcf\u6b21\u5c06\u65b0\u9879\u76ee\u63d2\u5165\u8868\u4e2d\u65f6&#xff0c;\u8be5\u6761\u76ee\u7684\u5c5e\u6027\u503c\u90fd\u4f1a\u589e\u52a0\u3002 \u8fd9\u6837\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u4f7f\u6570\u5b57\u4e3b\u952e\u4fdd\u6301\u552f\u4e00\u3002<\/li>\n<\/ul>\n<h6>\u67e5\u8be2\u8868\u4e2d\u6570\u636e<\/h6>\n<p>\u67e5\u8be2\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u6240\u6709\u5b57\u6bb5<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM product<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">id<\/span> <span class=\"token operator\">|<\/span> name              <span class=\"token operator\">|<\/span> price   <span class=\"token operator\">|<\/span> stock <span class=\"token operator\">|<\/span> id_category <span class=\"token operator\">|<\/span> id_manufacturer <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span> ThinkServer TS140 <span class=\"token operator\">|<\/span>  <span class=\"token number\">539.88<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span> ThinkServer RD630 <span class=\"token operator\">|<\/span> <span class=\"token number\">2379.14<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span> RT-AC68U          <span class=\"token operator\">|<\/span>  <span class=\"token number\">219.99<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">10<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span> X110 64GB         <span class=\"token operator\">|<\/span>   <span class=\"token number\">73.84<\/span> <span class=\"token operator\">|<\/span>   <span class=\"token number\">100<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token number\">4<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.004<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM category<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">id<\/span> <span class=\"token operator\">|<\/span> name       <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span> Networking <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span> Servers    <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span> Ssd        <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n<span class=\"token number\">3<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.001<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM manufacturer<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">id<\/span> <span class=\"token operator\">|<\/span> name     <span class=\"token operator\">|<\/span> seller         <span class=\"token operator\">|<\/span> phone_number      <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span> SanDisk  <span class=\"token operator\">|<\/span> John Miller    <span class=\"token operator\">|<\/span> &#043;1 <span class=\"token punctuation\">(<\/span><span class=\"token number\">941<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token number\">329<\/span>-8855 <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span> Kingston <span class=\"token operator\">|<\/span> Mike Taylor    <span class=\"token operator\">|<\/span> &#043;1 <span class=\"token punctuation\">(<\/span><span class=\"token number\">341<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token number\">375<\/span>-9999 <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span> Asus     <span class=\"token operator\">|<\/span> Wilson Jackson <span class=\"token operator\">|<\/span> &#043;1 <span class=\"token punctuation\">(<\/span><span class=\"token number\">432<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token number\">367<\/span>-8899 <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span> Lenovo   <span class=\"token operator\">|<\/span> Allen Scott    <span class=\"token operator\">|<\/span> &#043;1 <span class=\"token punctuation\">(<\/span><span class=\"token number\">876<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token number\">213<\/span>-4439 <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token number\">4<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.001<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span><\/p>\n<p>\u67e5\u8be2\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\u7279\u5b9a\u5b57\u6bb5<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT name,price,stock FROM product<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> name              <span class=\"token operator\">|<\/span> price   <span class=\"token operator\">|<\/span> stock <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> ThinkServer TS140 <span class=\"token operator\">|<\/span>  <span class=\"token number\">539.88<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> ThinkServer RD630 <span class=\"token operator\">|<\/span> <span class=\"token number\">2379.14<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> RT-AC68U          <span class=\"token operator\">|<\/span>  <span class=\"token number\">219.99<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">10<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> X110 64GB         <span class=\"token operator\">|<\/span>   <span class=\"token number\">73.84<\/span> <span class=\"token operator\">|<\/span>   <span class=\"token number\">100<\/span> <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token number\">4<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.001<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<h6>WHERE \u5b50\u53e5<\/h6>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM product WHERE price <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">id<\/span> <span class=\"token operator\">|<\/span> name              <span class=\"token operator\">|<\/span> price   <span class=\"token operator\">|<\/span> stock <span class=\"token operator\">|<\/span> id_category <span class=\"token operator\">|<\/span> id_manufacturer <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span> ThinkServer TS140 <span class=\"token operator\">|<\/span>  <span class=\"token number\">539.88<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span> ThinkServer RD630 <span class=\"token operator\">|<\/span> <span class=\"token number\">2379.14<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">20<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">2<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">4<\/span> <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span>  <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span> RT-AC68U          <span class=\"token operator\">|<\/span>  <span class=\"token number\">219.99<\/span> <span class=\"token operator\">|<\/span>    <span class=\"token number\">10<\/span> <span class=\"token operator\">|<\/span>           <span class=\"token number\">1<\/span> <span class=\"token operator\">|<\/span>               <span class=\"token number\">3<\/span> <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n<span class=\"token number\">3<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.020<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6761\u4ef6\u64cd\u4f5c\u6570<\/p>\n<table>\n<tr>OperatorDescription<\/tr>\n<tbody>\n<tr>\n<td>&#061;<\/td>\n<td>Equal<\/td>\n<\/tr>\n<tr>\n<td>&lt;&gt;<\/td>\n<td>Not equal. Note: In some versions of SQL, this operator may be written as !&#061;<\/td>\n<\/tr>\n<tr>\n<td>&gt;<\/td>\n<td>Greater than<\/td>\n<\/tr>\n<tr>\n<td>&lt;<\/td>\n<td>Less than<\/td>\n<\/tr>\n<tr>\n<td>&gt;&#061;<\/td>\n<td>Greater than or equal<\/td>\n<\/tr>\n<tr>\n<td>&lt;&#061;<\/td>\n<td>Less than or equal<\/td>\n<\/tr>\n<tr>\n<td>BETWEEN<\/td>\n<td>Between an inclusive range<\/td>\n<\/tr>\n<tr>\n<td>LIKE<\/td>\n<td>Search for a pattern<\/td>\n<\/tr>\n<tr>\n<td>IN<\/td>\n<td>Specify multiple possible values for a column<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token comment\"># \u6761\u4ef6\u64cd\u4f5c\u7b26\u5305\u62ec&#xff1a;&#061;\u3001&lt;&gt;\u3001&gt;\u3001&lt;\u3001&gt;&#061;\u3001&lt;&#061;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> price <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># BETWEEN&#xff0c;\u5339\u914d2\u4e2a\u6570\u5b57\u4e4b\u95f4&#xff08;\u5305\u62ec\u6570\u5b57\u672c\u8eab&#xff09;\u7684\u8bb0\u5f55\u3002<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> id <span class=\"token operator\">BETWEEN<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">AND<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># IN&#xff0c;\u5339\u914d\u5217\u8868\u4e2d\u8bb0\u5f55\u3002<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> id <span class=\"token operator\">IN<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> category <span class=\"token keyword\">WHERE<\/span> name <span class=\"token operator\">IN<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Servers&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;Ssd&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># LIKE&#xff0c;\u7528\u4e8e\u5339\u914d\u5b57\u7b26\u4e32\u3002%\u8868\u793a\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26&#xff0c;_\u8868\u793a\u4e00\u4e2a\u5b57\u7b26&#xff0c;[charlist]\u8868\u793a\u5b57\u7b26\u5217\u4e2d\u7684\u4efb\u4f55\u5355\u4e00\u5b57\u7b26&#xff0c;[^charlist]\u6216\u8005[!charlist]\u4e0d\u5728\u5b57\u7b26\u5217\u4e2d\u7684\u4efb\u4f55\u5355\u4e00\u5b57\u7b26\u3002<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> name <span class=\"token operator\">like<\/span> <span class=\"token string\">&#039;%Server%&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u903b\u8f91\u4e0eAND<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> name <span class=\"token operator\">like<\/span> <span class=\"token string\">&#039;%RD%&#039;<\/span> <span class=\"token operator\">AND<\/span> price<span class=\"token operator\">&gt;<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u903b\u8f91\u6216or<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">WHERE<\/span> name <span class=\"token operator\">like<\/span> <span class=\"token string\">&#039;%RD%&#039;<\/span> <span class=\"token operator\">OR<\/span> price<span class=\"token operator\">&gt;<\/span><span class=\"token number\">500<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># ORDER BY \u5173\u952e\u5b57\u7528\u4e8e\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u6392\u5e8f\u3002<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">ORDER<\/span> <span class=\"token keyword\">BY<\/span> price<span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> product <span class=\"token keyword\">ORDER<\/span> <span class=\"token keyword\">BY<\/span> price <span class=\"token keyword\">desc<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h6>\u591a\u8868\u67e5\u8be2<\/h6>\n<p><span class=\"token comment\"># \u793a\u4f8b1&#xff1a;\u4ea7\u54c1\u7c7b\u578b\u662fServers\u7684\u4ea7\u54c1\u540d\u79f0\u548c\u4ef7\u683c<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> product<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span>product<span class=\"token punctuation\">.<\/span>price<br \/>\n<span class=\"token keyword\">FROM<\/span> product<span class=\"token punctuation\">,<\/span>category<br \/>\n<span class=\"token keyword\">WHERE<\/span> product<span class=\"token punctuation\">.<\/span>id_category <span class=\"token operator\">&#061;<\/span> category<span class=\"token punctuation\">.<\/span>id<br \/>\n<span class=\"token operator\">AND<\/span> category<span class=\"token punctuation\">.<\/span>name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Servers&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b2&#xff1a;\u67e5\u8be2\u5382\u5546\u662fLenovo\u7684\u4ea7\u54c1\u540d\u79f0\u548c\u4ef7\u683c<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> product<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span>product<span class=\"token punctuation\">.<\/span>price<br \/>\n<span class=\"token keyword\">FROM<\/span> product<span class=\"token punctuation\">,<\/span>manufacturer<br \/>\n<span class=\"token keyword\">WHERE<\/span> product<span class=\"token punctuation\">.<\/span>id_manufacturer <span class=\"token operator\">&#061;<\/span> manufacturer<span class=\"token punctuation\">.<\/span>id<br \/>\n<span class=\"token operator\">AND<\/span> manufacturer<span class=\"token punctuation\">.<\/span>name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Lenovo&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h6>\u51fd\u6570<\/h6>\n<p><span class=\"token comment\"># \u793a\u4f8b1&#xff1a;\u67e5\u8be2\u4ea7\u54c1\u4ef7\u683c\u5e73\u5747\u503c<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT avg<span class=\"token punctuation\">(<\/span>price<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b2&#xff1a;\u67e5\u8be2\u4ea7\u54c1\u4ef7\u683c\u6700\u5927\u503c<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT max<span class=\"token punctuation\">(<\/span>price<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b3&#xff1a;\u67e5\u8be2\u4ea7\u54c1\u4ef7\u683c\u6700\u5c0f\u503c<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT min<span class=\"token punctuation\">(<\/span>price<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b4&#xff1a;\u67e5\u8be2\u4ea7\u54c1\u5b58\u91cf<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT sum<span class=\"token punctuation\">(<\/span>stock<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b5&#xff1a;\u67e5\u8be2\u4ea7\u54c1\u4ef7\u683c\u6700\u5c0f\u503c\u7684\u90a3\u4e2a\u4ea7\u54c1\u4fe1\u606f<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT min<span class=\"token punctuation\">(<\/span>price<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM product WHERE <span class=\"token assign-left variable\">price<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">73.84<\/span><span class=\"token punctuation\">;<\/span><br \/>\n\u6216\u8005<br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT * FROM product WHERE <span class=\"token assign-left variable\">price<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span>SELECT min<span class=\"token punctuation\">(<\/span>price<span class=\"token punctuation\">)<\/span> FROM product<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u793a\u4f8b6&#xff1a;\u67e5\u8be2Lenovo\u5382\u5546\u63d0\u4f9b\u4e86\u51e0\u79cd\u4ea7\u54c1<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT count<span class=\"token punctuation\">(<\/span>product.name<span class=\"token punctuation\">)<\/span><br \/>\nFROM product,manufacturer<br \/>\nWHERE product.id_manufacturer <span class=\"token operator\">&#061;<\/span> manufacturer.id<br \/>\nAND manufacturer.name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Lenovo&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># GROUP BY \u8bed\u53e5\u7528\u4e8e\u7ed3\u5408\u805a\u5408\u51fd\u6570&#xff0c;\u6839\u636e\u4e00\u4e2a\u6216\u591a\u4e2a\u5217\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u5206\u7ec4\u3002<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT id_category,sum<span class=\"token punctuation\">(<\/span>stock<span class=\"token punctuation\">)<\/span> FROM product GROUP BY id_category<span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u521b\u5efa\u8868<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> staff<span class=\"token punctuation\">(<\/span><br \/>\nid <span class=\"token keyword\">INT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\nname <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\nage <span class=\"token keyword\">INT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span><br \/>\nid_department <span class=\"token keyword\">INT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQuery OK<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">rows<\/span> affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.017<\/span> sec<span class=\"token punctuation\">)<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">SHOW<\/span> <span class=\"token keyword\">TABLES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u63d2\u5165\u8bb0\u5f55<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> staff <span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">,<\/span>age<span class=\"token punctuation\">,<\/span>id_department<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">VALUES<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;bao1&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">28<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> staff <span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">,<\/span>age<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">VALUES<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;bao2&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> staff <span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">VALUES<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">&#039;bao3&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u66f4\u65b0\u8bb0\u5f55<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">UPDATE<\/span> staff <span class=\"token keyword\">SET<\/span> age<span class=\"token operator\">&#061;<\/span><span class=\"token number\">30<\/span> <span class=\"token keyword\">WHERE<\/span> id<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">UPDATE<\/span> staff <span class=\"token keyword\">SET<\/span> age<span class=\"token operator\">&#061;<\/span><span class=\"token number\">30<\/span><\/p>\n<p>\u5982\u679c\u4f7f\u7528\u4e0d\u5e26WHERE\u5b50\u53e5\u7684UPDATE&#xff0c;\u5219\u8868\u4e2d\u7684\u6240\u6709\u8bb0\u5f55\u90fd\u4f1a\u66f4\u65b0\u3002<\/p>\n<h5>\u5220\u9664\u8bb0\u5f55<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">DELETE<\/span> <span class=\"token keyword\">FROM<\/span> staff <span class=\"token keyword\">WHERE<\/span> id<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span> <span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">DELETE<\/span> <span class=\"token keyword\">FROM<\/span> staff <span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5982\u679c\u4f7f\u7528\u4e0d\u5e26WHERE\u5b50\u53e5\u7684DELETE\u5b50\u53e5&#xff0c;\u5219\u8868\u4e2d\u7684\u6240\u6709\u8bb0\u5f55\u90fd\u4f1a\u5220\u9664\u3002<\/p>\n<h5>\u5220\u9664\u8868<\/h5>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">DROP<\/span> <span class=\"token keyword\">TABLE<\/span> staff <span class=\"token punctuation\">;<\/span><\/p>\n<h3>\u7ba1\u7406 MariaDB \u7528\u6237<\/h3>\n<h4>\u521b\u5efa\u7528\u6237\u8d26\u6237<\/h4>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;MariaDB\u6709\u81ea\u5df1\u7684\u7528\u6237\u548c\u5bc6\u7801&#xff0c;\u4e0e\u672c\u5730\u7cfb\u7edf\u7684\u7528\u6237\u548c\u5bc6\u7801\u5206\u5f00\u3002\u8fd9\u610f\u5473\u7740MariaDB\u6570\u636e\u5e93\u7528\u6237\u4e0e\u670d\u52a1\u5668\u7684Linux\u7528\u6237\u4e0d\u540c&#xff0c; \u5373\u4f7f\u7528\u6237\u5e10\u6237\u5177\u6709\u76f8\u540c\u7684\u540d\u79f0\u3002<\/p>\n<p>\u4e3a\u4e86\u63a7\u5236\u7528\u6237\u5bf9\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u7ea7\u522b&#xff0c;\u5fc5\u987b\u5728MariaDB\u4e2d\u8bbe\u7f6e\u6570\u636e\u5e93\u7528\u6237\u5e76\u6388\u4e88\u4ed6\u4eec\u5728\u670d\u52a1\u5668\u53ca\u5176\u6570\u636e\u4e0a\u6267\u884c\u64cd\u4f5c\u7684\u6743\u9650\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u914d\u7f6eMariaDB\u4f7f\u7528pam\u8eab\u4efd\u9a8c\u8bc1\u63d2\u4ef6\u5c06\u7cfb\u7edf\u7528\u6237\u5e10\u6237\u548c\u5bc6\u7801\u96c6\u6210\u4e3aMariaDB\u6570\u636e\u5e93\u7528\u6237&#xff0c;\u672c\u8bfe\u7a0b\u4e0d\u4ecb\u7ecd\u8be5\u914d\u7f6e\u3002 \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b&#xff0c;\u6700\u597d\u5206\u5f00\u7ba1\u7406\u6570\u636e\u5e93\u548c\u7cfb\u7edf\u7528\u6237\u8d26\u6237\u3002<\/p>\n<p>\u8981\u521b\u5efa\u65b0\u7528\u6237&#xff0c;\u60a8\u9700\u8981\u4ee5\u4e0b\u6743\u9650\u7ea7\u522b\u4e4b\u4e00&#xff1a;<\/p>\n<ul>\n<li>MariaDB\u7684 root \u7528\u6237\u3002<\/li>\n<li>\u88ab\u6388\u4e88\u5168\u5c40 CREATE USER \u7279\u6743\u7684\u7528\u6237\u3002<\/li>\n<li>\u88ab\u6388\u4e88\u5bf9mysql\u6570\u636e\u5e93\u7684INSERT\u7279\u6743\u7684\u7528\u6237\u3002<\/li>\n<\/ul>\n<p>\u7528\u6237\u5e10\u6237\u5b9a\u4e49\u793a\u4f8b<\/p>\n<table>\n<tr>AccountDescription<\/tr>\n<tbody>\n<tr>\n<td>laoma\u6216\u8005laoma&#064;\u2018%\u2019<\/td>\n<td>User laoma can connect from any host.<\/td>\n<\/tr>\n<tr>\n<td>laoma&#064;\u2018localhost\u2019<\/td>\n<td>User laoma can only connect from localhost.<\/td>\n<\/tr>\n<tr>\n<td>laoma&#064;\u2018192.168.1.5\u2019<\/td>\n<td>User laoma can only connect from the IP address192.168.1.5.<\/td>\n<\/tr>\n<tr>\n<td>laoma&#064;\u2018192.168.1.%\u2019<\/td>\n<td>User laoma can connect from any address that belongs to the network 192.168.1.0\/24.<\/td>\n<\/tr>\n<tr>\n<td>laoma&#064;\u20182001:db8:18:b51:c32:a21\u2019<\/td>\n<td>User laoma can connect from the IP address 2001:db8:18:b51:c32:a21.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528CREATE USER\u8bed\u53e5&#xff0c;\u5728mysql\u6570\u636e\u5e93\u7684user\u8868\u4e2d\u521b\u5efa\u4e00\u6761\u65b0\u8bb0\u3002<\/p>\n<p>\u7528\u6237\u540d\u683c\u5f0f&#xff1a;user_name&#064;host_name\u3002 \u8fd9\u6837\u5c31\u53ef\u4ee5\u6839\u636e\u4e3b\u673a\u6e90&#xff0c;\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u5177\u6709\u4e0d\u540c\u7279\u6743\u7684\u591a\u4e2a\u7528\u6237\u5e10\u6237\u3002<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> CREATE <span class=\"token environment constant\">USER<\/span> laoma&#064;<span class=\"token string\">&#039;%&#039;<\/span> IDENTIFIED BY <span class=\"token string\">&#039;123&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5f53\u524d&#xff0c;laoma\u5e10\u6237\u53ef\u4ee5\u4f7f\u7528\u5bc6\u7801123\u4ece**%**\u8fde\u63a5\u3002<\/p>\n<p>\u7528\u6237\u7684\u5bc6\u7801&#xff0c;\u4f1a\u88ab\u52a0\u5bc6\u5b58\u5728\u5728mysql.user\u8868&#xff1a;<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span>mysql<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SELECT host,user,password FROM user WHERE user <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;laoma&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> <span class=\"token function\">host<\/span>      <span class=\"token operator\">|<\/span> user   <span class=\"token operator\">|<\/span> password                                  <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> %         <span class=\"token operator\">|<\/span> laoma <span class=\"token operator\">|<\/span> *84BB5DF4823DA319BBF86C99624479A198E6EEE9 <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token number\">1<\/span> row <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.000<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;\u65b0\u5e10\u6237\u88ab\u6388\u4e88\u6700\u5c0f\u7279\u6743\u3002 \u5728\u4e0d\u6388\u4e88\u5176\u4ed6\u7279\u6743\u7684\u60c5\u51b5\u4e0b&#xff0c;laoma\u7528\u6237\u53ea\u80fd\u8bbf\u95ee\u6700\u5c11\u7684\u5e10\u6237\u4fe1\u606f&#xff0c;\u5927\u591a\u6570\u5176\u4ed6\u64cd\u4f5c\u5747\u88ab\u62d2\u7edd\u3002<\/p>\n<h4>\u6388\u4e88\u7528\u6237\u6743\u9650<\/h4>\n<p>GRANT\u8bed\u53e5\u53ef\u7528\u4e8e\u5411\u5e10\u6237\u6388\u4e88\u7279\u6743\u3002 \u8981\u6388\u4e88GRANT\u7279\u6743&#xff0c;\u8fde\u63a5\u7684\u7528\u6237\u5fc5\u987b\u5177\u6709GRANT OPTION\u4e14\u5fc5\u987b\u5177\u6709\u4ed6\u4eec\u6240\u6388\u4e88\u7684\u7279\u5b9a\u7279\u6743\u3002<\/p>\n<p>Mariadb \u6309\u201c\u8303\u56f4\u7c92\u5ea6\u201d\u5212\u5206\u6388\u6743&#xff0c;\u4ece\u5168\u5c40&#xff08;\u6574\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b&#xff09;\u5230\u5217\u7ea7&#xff08;\u5355\u8868\u67d0\u5217&#xff09;\u9010\u6b65\u7f29\u5c0f&#xff0c;\u4e0d\u540c\u8303\u56f4\u5bf9\u5e94\u4e0d\u540c\u7684\u6388\u6743\u5bf9\u8c61\u548c\u4e1a\u52a1\u573a\u666f\u3002<\/p>\n<p><span class=\"token keyword\">GRANT<\/span> <span class=\"token punctuation\">[<\/span>\u6743\u9650<span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> \u6743\u9650<span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">ON<\/span> <span class=\"token punctuation\">[<\/span>\u4f5c\u7528\u8303\u56f4<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;\u7528\u6237\u540d&#039;<\/span><span class=\"token variable\">&#064;&#039;\u4e3b\u673a\u5730\u5740&#039;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>IDENTIFIED <span class=\"token keyword\">BY<\/span> <span class=\"token string\">&#039;\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6743\u9650\u53ef\u4ee5\u662f\u5355\u6743\u9650&#xff0c;\u4e5f\u53ef\u4ee5\u662f\u9017\u53f7\u5206\u9694\u7684\u591a\u6743\u9650\u7ec4\u5408\u3002<\/p>\n<table>\n<tr>\u4f5c\u7528\u8303\u56f4\u6388\u6743\u5bf9\u8c61\u683c\u5f0f\u9002\u7528\u573a\u666f\u6838\u5fc3\u7279\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u5168\u5c40\u8303\u56f4<\/td>\n<td>*.*<\/td>\n<td>\u7ba1\u7406\u5458\/\u8d85\u7ea7\u7528\u6237\u6743\u9650<\/td>\n<td>\u8986\u76d6\u6574\u4e2a MySQL \u5b9e\u4f8b\u6240\u6709\u8d44\u6e90<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5e93\u8303\u56f4<\/td>\n<td>\u6570\u636e\u5e93\u540d.*<\/td>\n<td>\u4e1a\u52a1\u5e93\u4e13\u5c5e\u6743\u9650&#xff08;\u5982\u7535\u5546\u5e93&#xff09;<\/td>\n<td>\u4ec5\u8986\u76d6\u6307\u5b9a\u6570\u636e\u5e93\u7684\u6240\u6709\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td>\u8868\u8303\u56f4<\/td>\n<td>\u6570\u636e\u5e93\u540d.\u8868\u540d<\/td>\n<td>\u5355\u8868\u4e13\u5c5e\u6743\u9650&#xff08;\u5982\u8ba2\u5355\u8868&#xff09;<\/td>\n<td>\u4ec5\u8986\u76d6\u6307\u5b9a\u5e93\u7684\u6307\u5b9a\u8868<\/td>\n<\/tr>\n<tr>\n<td>\u5217\u8303\u56f4<\/td>\n<td>\u6570\u636e\u5e93\u540d.\u8868\u540d(\u52171,\u52172)<\/td>\n<td>\u654f\u611f\u5217\u7ba1\u63a7&#xff08;\u5982\u624b\u673a\u53f7\/\u5bc6\u7801&#xff09;<\/td>\n<td>\u4ec5\u8986\u76d6\u8868\u7684\u6307\u5b9a\u5217<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>1. \u5168\u5c40\u8303\u56f4<\/h5>\n<p>\u7ba1\u7406\u5458\u7ea7\u5168\u5c40\u6743\u9650\u662f\u6307\u4f5c\u7528\u4e8e *.*&#xff08;\u6240\u6709\u6570\u636e\u5e93\u3001\u6240\u6709\u8868&#xff09;\u7684\u6700\u9ad8\u7ea7\u522b\u6743\u9650&#xff0c;\u901a\u5e38\u53ea\u6388\u4e88\u6570\u636e\u5e93\u7ba1\u7406\u5458&#xff08;DBA&#xff09;\u3002<\/p>\n<p>\u5e38\u7528\u6743\u9650<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">CREATE USER<\/td>\n<td align=\"center\">\u521b\u5efa\u3001\u5220\u9664\u3001\u91cd\u547d\u540d\u5176\u4ed6\u7528\u6237&#xff0c;\u4ee5\u53ca\u4e3a\u5176\u4ed6\u7528\u6237\u6388\u6743&#xff08;\u8fd9\u662f\u7528\u6237\u7ba1\u7406\u7684\u6838\u5fc3\u6743\u9650&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SUPER<\/td>\n<td align=\"center\">\u6267\u884c\u8d85\u7ea7\u7ba1\u7406\u5458\u64cd\u4f5c&#xff0c;\u4f8b\u5982\u7ec8\u6b62\u4efb\u610f\u8fde\u63a5\u3001\u4fee\u6539\u5168\u5c40\u7cfb\u7edf\u53d8\u91cf\u3001\u4e3b\u4ece\u590d\u5236\u7ba1\u7406\u7b49<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">PROCESS<\/td>\n<td align=\"center\">\u67e5\u770b\u6240\u6709\u7528\u6237\u7684\u8fde\u63a5\u8fdb\u7a0b&#xff08;SHOW PROCESSLIST&#xff09;&#xff0c;\u7528\u4e8e\u6392\u67e5\u95ee\u9898<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">RELOAD<\/td>\n<td align=\"center\">\u6267\u884c FLUSH \u7cfb\u5217\u547d\u4ee4&#xff08;\u5982 FLUSH PRIVILEGES\u3001FLUSH LOGS&#xff09;&#xff0c;\u4f7f\u914d\u7f6e\u751f\u6548<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SHUTDOWN<\/td>\n<td align=\"center\">\u5173\u95ed MariaDB \u670d\u52a1<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">FILE<\/td>\n<td align=\"center\">\u8bfb\u5199\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6&#xff08;\u5982 LOAD DATA INFILE&#xff09;&#xff0c;\u9700\u8c28\u614e\u6388\u4e88<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">CREATE<\/td>\n<td align=\"center\">\u521b\u5efa\u6570\u636e\u5e93\u3001\u8868\u3001\u89c6\u56fe\u7b49\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ALTER<\/td>\n<td align=\"center\">\u4fee\u6539\u6570\u636e\u5e93\u3001\u8868\u7684\u7ed3\u6784<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">DROP<\/td>\n<td align=\"center\">\u5220\u9664\u6570\u636e\u5e93\u3001\u8868\u7b49\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INSERT\/UPDATE\/DELETE\/SELECT<\/td>\n<td align=\"center\">\u5bf9\u6240\u6709\u8868\u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b<\/p>\n<p>&#8212; \u793a\u4f8b1&#xff1a;\u8d85\u7ea7\u7ba1\u7406\u5458&#xff08;\u5b8c\u5168\u63a7\u5236&#xff09;<br \/>\nGRANT ALL PRIVILEGES ON *.* TO &#039;root&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b2&#xff1a;\u7528\u6237\u7ba1\u7406\u7ba1\u7406\u5458<br \/>\nGRANT CREATE USER, RELOAD ON *.* TO &#039;user_admin&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b3&#xff1a;\u6570\u636e\u5e93\u7ba1\u7406\u5458<br \/>\nGRANT CREATE, DROP  ON *.* TO &#039;db_admin&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b4&#xff1a;\u8fd0\u7ef4\u76d1\u63a7\u7ba1\u7406\u5458<br \/>\nGRANT PROCESS, RELOAD, SUPER ON *.* TO &#039;ops_admin&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b5&#xff1a;\u6388\u4e88\u53ea\u8bfb\u7ba1\u7406\u5458\u5168\u5c40\u67e5\u8be2\u6743\u9650&#xff08;\u76d1\u63a7\/\u62a5\u8868&#xff09;<br \/>\nGRANT SELECT ON *.* TO &#039;monitor&#039;&#064;&#039;%&#039;;<\/p>\n<h5>2. \u6570\u636e\u5e93\u8303\u56f4<\/h5>\n<p>\u6570\u636e\u5e93\u7ea7\u6743\u9650\u4f5c\u7528\u4e8e \u6570\u636e\u5e93\u540d.* \u8303\u56f4&#xff0c;\u4ec5\u5bf9\u6307\u5b9a\u6570\u636e\u5e93\u751f\u6548&#xff0c;\u65e0\u6cd5\u8de8\u5e93\u64cd\u4f5c&#xff1b;\u6240\u6709\u6743\u9650\u6388\u6743\u540e\u90fd\u9700\u6267\u884c FLUSH PRIVILEGES; \u751f\u6548\u3002<\/p>\n<p>\u6570\u636e\u64cd\u4f5c\u7c7b&#xff08;\u589e\u5220\u6539\u67e5&#xff09;&#xff0c;\u8fd9\u7c7b\u6743\u9650\u63a7\u5236\u5bf9\u6570\u636e\u5e93\u5185\u8868\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c&#xff0c;\u662f\u6700\u57fa\u7840\u7684\u4e1a\u52a1\u6743\u9650&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">SELECT<\/td>\n<td align=\"center\">\u5141\u8bb8\u67e5\u8be2\u6570\u636e\u5e93\u5185\u6240\u6709\u8868\u7684\u6570\u636e&#xff08;\u8bfb\u6743\u9650&#xff09;<\/td>\n<td align=\"center\">GRANT SELECT ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INSERT<\/td>\n<td align=\"center\">\u5141\u8bb8\u5411\u6570\u636e\u5e93\u5185\u6240\u6709\u8868\u63d2\u5165\u6570\u636e&#xff08;\u5199\u6743\u9650&#xff09;<\/td>\n<td align=\"center\">GRANT INSERT ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">UPDATE<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539\u6570\u636e\u5e93\u5185\u6240\u6709\u8868\u7684\u6570\u636e<\/td>\n<td align=\"center\">GRANT UPDATE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">DELETE<\/td>\n<td align=\"center\">\u5141\u8bb8\u5220\u9664\u6570\u636e\u5e93\u5185\u6240\u6709\u8868\u7684\u6570\u636e<\/td>\n<td align=\"center\">GRANT DELETE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7ed3\u6784\u7ba1\u7406\u7c7b&#xff08;\u8868 \/ \u7d22\u5f15 \/ \u89c6\u56fe\u7ba1\u7406&#xff09;&#xff0c;\u8fd9\u7c7b\u6743\u9650\u63a7\u5236\u6570\u636e\u5e93\u5185\u8868\u3001\u7d22\u5f15\u3001\u89c6\u56fe\u7b49\u5bf9\u8c61\u7684\u521b\u5efa \/ \u4fee\u6539 \/ \u5220\u9664&#xff0c;\u5c5e\u4e8e\u300c\u7ed3\u6784\u5c42\u300d\u6743\u9650&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">CREATE<\/td>\n<td align=\"center\">\u5141\u8bb8\u5728\u6570\u636e\u5e93\u5185\u521b\u5efa\u8868\u3001\u89c6\u56fe\u3001\u7d22\u5f15<\/td>\n<td align=\"center\">GRANT CREATE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ALTER<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539\u6570\u636e\u5e93\u5185\u8868\u7684\u7ed3\u6784&#xff08;\u5982 ALTER TABLE&#xff09;<\/td>\n<td align=\"center\">GRANT ALTER ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">DROP<\/td>\n<td align=\"center\">\u5141\u8bb8\u5220\u9664\u6570\u636e\u5e93\u5185\u7684\u8868\u3001\u89c6\u56fe<\/td>\n<td align=\"center\">GRANT DROP ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INDEX<\/td>\n<td align=\"center\">\u5141\u8bb8\u4e3a\u6570\u636e\u5e93\u5185\u7684\u8868\u521b\u5efa \/ \u5220\u9664\u7d22\u5f15&#xff08;\u6ce8&#xff1a;CREATE \u6743\u9650\u5df2\u5305\u542b\u6b64\u80fd\u529b&#xff09;<\/td>\n<td align=\"center\">GRANT INDEX ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">CREATE VIEW<\/td>\n<td align=\"center\">\u5141\u8bb8\u5728\u6570\u636e\u5e93\u5185\u521b\u5efa\u89c6\u56fe<\/td>\n<td align=\"center\">GRANT CREATE VIEW ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SHOW VIEW<\/td>\n<td align=\"center\">\u5141\u8bb8\u67e5\u770b\u6570\u636e\u5e93\u5185\u89c6\u56fe\u7684\u5b9a\u4e49&#xff08;\u5982 SHOW CREATE VIEW&#xff09;<\/td>\n<td align=\"center\">GRANT SHOW VIEW ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>**\u7279\u6b8a\u64cd\u4f5c\u7c7b&#xff0c;**\u8fd9\u7c7b\u6743\u9650\u9488\u5bf9\u6570\u636e\u5e93\u5185\u7684\u7279\u6b8a\u64cd\u4f5c&#xff0c;\u5982\u5b58\u50a8\u8fc7\u7a0b\u3001\u9501\u8868\u7b49&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">CREATE ROUTINE<\/td>\n<td align=\"center\">\u5141\u8bb8\u5728\u6570\u636e\u5e93\u5185\u521b\u5efa\u5b58\u50a8\u8fc7\u7a0b \/ \u51fd\u6570<\/td>\n<td align=\"center\">GRANT CREATE ROUTINE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ALTER ROUTINE<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539 \/ \u5220\u9664\u6570\u636e\u5e93\u5185\u7684\u5b58\u50a8\u8fc7\u7a0b \/ \u51fd\u6570<\/td>\n<td align=\"center\">GRANT ALTER ROUTINE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">EXECUTE<\/td>\n<td align=\"center\">\u5141\u8bb8\u6267\u884c\u6570\u636e\u5e93\u5185\u7684\u5b58\u50a8\u8fc7\u7a0b \/ \u51fd\u6570<\/td>\n<td align=\"center\">GRANT EXECUTE ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">LOCK TABLES<\/td>\n<td align=\"center\">\u5141\u8bb8\u9501\u5b9a\u6570\u636e\u5e93\u5185\u7684\u8868&#xff08;\u5982 LOCK TABLES&#xff09;<\/td>\n<td align=\"center\">GRANT LOCK TABLES ON app_db.* TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b<\/p>\n<p>&#8212; \u793a\u4f8b1&#xff1a;\u4e1a\u52a1\u5168\u6743\u9650&#xff08;\u589e\u5220\u6539\u67e5 &#043; \u7ed3\u6784\u7ba1\u7406&#xff09;<br \/>\nGRANT SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, DROP<br \/>\nON app_db.*<br \/>\nTO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b2&#xff1a;\u53ea\u8bfb\u6743\u9650&#xff08;\u4ec5\u67e5\u8be2&#xff09;<br \/>\nGRANT SELECT, SHOW VIEW<br \/>\nON app_db.*<br \/>\nTO &#039;report_user&#039;&#064;&#039;localhost&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b3&#xff1a; \u4ec5\u7ed3\u6784\u7ba1\u7406\u6743\u9650&#xff08;\u65e0\u6570\u636e\u64cd\u4f5c&#xff09;<br \/>\nGRANT CREATE, ALTER, DROP, INDEX<br \/>\nON app_db.*<br \/>\nTO &#039;dba_user&#039;&#064;&#039;localhost&#039;;<\/p>\n<h5>3. \u8868\u8303\u56f4<\/h5>\n<p>\u8868\u7ea7\u6743\u9650\u4f5c\u7528\u4e8e \u6570\u636e\u5e93\u540d.\u8868\u540d \u8303\u56f4&#xff0c;\u4ec5\u5bf9\u6307\u5b9a\u6570\u636e\u5e93\u7684\u6307\u5b9a\u8868\u751f\u6548&#xff0c;\u4e0d\u4f1a\u5f71\u54cd\u540c\u5e93\u5176\u4ed6\u8868&#xff1b;\u6240\u6709\u6388\u6743\u540e\u9700\u6267\u884c FLUSH PRIVILEGES; \u4f7f\u6743\u9650\u7acb\u5373\u751f\u6548\u3002<\/p>\n<p>\u6838\u5fc3\u6570\u636e\u64cd\u4f5c\u7c7b&#xff08;\u6700\u5e38\u7528&#xff09;&#xff0c;\u8fd9\u7c7b\u6743\u9650\u63a7\u5236\u5bf9\u5355\u8868\u6570\u636e\u7684\u8bfb\u5199&#xff0c;\u662f\u4e1a\u52a1\u573a\u666f\u4e2d\u6700\u57fa\u7840\u7684\u8868\u7ea7\u6743\u9650&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b&#xff08;\u4ee5 app_db.users \u8868\u4e3a\u4f8b&#xff09;<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">SELECT<\/td>\n<td align=\"center\">\u5141\u8bb8\u67e5\u8be2\u8be5\u8868\u7684\u6240\u6709\u5217\u6570\u636e&#xff08;\u8bfb\u6743\u9650&#xff09;<\/td>\n<td align=\"center\">GRANT SELECT ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INSERT<\/td>\n<td align=\"center\">\u5141\u8bb8\u5411\u8be5\u8868\u63d2\u5165\u65b0\u6570\u636e&#xff08;\u5199\u6743\u9650&#xff09;<\/td>\n<td align=\"center\">GRANT INSERT ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">UPDATE<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539\u8be5\u8868\u7684\u73b0\u6709\u6570\u636e<\/td>\n<td align=\"center\">GRANT UPDATE ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">DELETE<\/td>\n<td align=\"center\">\u5141\u8bb8\u5220\u9664\u8be5\u8868\u7684\u73b0\u6709\u6570\u636e<\/td>\n<td align=\"center\">GRANT DELETE ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868\u7ed3\u6784\u7ba1\u7406\u7c7b&#xff0c;\u8fd9\u7c7b\u6743\u9650\u63a7\u5236\u5355\u8868\u7684\u7ed3\u6784\u4fee\u6539\u3001\u7d22\u5f15\u7ba1\u7406\u7b49&#xff0c;\u5c5e\u4e8e\u300c\u7ed3\u6784\u5c42\u300d\u6743\u9650&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">ALTER<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539\u8be5\u8868\u7684\u7ed3\u6784&#xff08;\u5982\u6dfb\u52a0 \/ \u5220\u9664\u5217\u3001\u4fee\u6539\u5217\u7c7b\u578b&#xff09;<\/td>\n<td align=\"center\">GRANT ALTER ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">DROP<\/td>\n<td align=\"center\">\u5141\u8bb8\u5220\u9664\u8be5\u8868&#xff08;\u614e\u7528&#xff09;<\/td>\n<td align=\"center\">GRANT DROP ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INDEX<\/td>\n<td align=\"center\">\u5141\u8bb8\u4e3a\u8be5\u8868\u521b\u5efa \/ \u5220\u9664\u7d22\u5f15&#xff08;\u6ce8&#xff1a;MariaDB 5.5 \u4e2d ALTER \u6743\u9650\u5df2\u5305\u542b\u6b64\u80fd\u529b&#xff09;<\/td>\n<td align=\"center\">GRANT INDEX ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">CREATE VIEW<\/td>\n<td align=\"center\">\u57fa\u4e8e\u8be5\u8868\u521b\u5efa\u89c6\u56fe&#xff08;\u9700\u540c\u65f6\u6709\u8be5\u8868\u7684 SELECT \u6743\u9650&#xff09;<\/td>\n<td align=\"center\">GRANT CREATE VIEW ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">SHOW VIEW<\/td>\n<td align=\"center\">\u67e5\u770b\u57fa\u4e8e\u8be5\u8868\u521b\u5efa\u7684\u89c6\u56fe\u5b9a\u4e49&#xff08;\u5982 SHOW CREATE VIEW&#xff09;<\/td>\n<td align=\"center\">GRANT SHOW VIEW ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7279\u6b8a\u64cd\u4f5c\u7c7b&#xff0c;\u8fd9\u7c7b\u6743\u9650\u9488\u5bf9\u5355\u8868\u7684\u7279\u6b8a\u64cd\u4f5c&#xff0c;\u5982\u9501\u8868\u3001\u89e6\u53d1\u5668\u7ba1\u7406\u7b49&#xff1a;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">LOCK TABLES<\/td>\n<td align=\"center\">\u5141\u8bb8\u9501\u5b9a\u8be5\u8868&#xff08;\u7528\u4e8e\u5e76\u53d1\u63a7\u5236&#xff09;<\/td>\n<td align=\"center\">GRANT LOCK TABLES ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">CREATE TRIGGER<\/td>\n<td align=\"center\">\u5141\u8bb8\u4e3a\u8be5\u8868\u521b\u5efa\u89e6\u53d1\u5668<\/td>\n<td align=\"center\">GRANT CREATE TRIGGER ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ALTER TRIGGER<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539 \/ \u5220\u9664\u8be5\u8868\u7684\u89e6\u53d1\u5668<\/td>\n<td align=\"center\">GRANT ALTER TRIGGER ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">EXECUTE<\/td>\n<td align=\"center\">\u5141\u8bb8\u6267\u884c\u8be5\u8868\u5173\u8054\u7684\u5b58\u50a8\u8fc7\u7a0b \/ \u51fd\u6570&#xff08;\u82e5\u6709&#xff09;<\/td>\n<td align=\"center\">GRANT EXECUTE ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b<\/p>\n<p>&#8212; \u793a\u4f8b1&#xff1a;\u4e1a\u52a1\u8bfb\u5199\u6743\u9650&#xff08;\u6700\u5e38\u7528&#xff09;<br \/>\nGRANT SELECT, INSERT, UPDATE ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<br \/>\nFLUSH PRIVILEGES;<\/p>\n<p>&#8212; \u793a\u4f8b2&#xff1a;\u8868\u7ed3\u6784\u7ba1\u7406\u6743\u9650<br \/>\nGRANT ALTER, INDEX ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<br \/>\nFLUSH PRIVILEGES;<\/p>\n<p>&#8212; \u793a\u4f8b3&#xff1a;\u53ea\u8bfb\u6743\u9650&#xff08;\u62a5\u8868 \/ \u5206\u6790\u7528&#xff09;<br \/>\nGRANT SELECT, SHOW VIEW ON app_db.users TO &#039;report_user&#039;&#064;&#039;localhost&#039;;<br \/>\nFLUSH PRIVILEGES;<\/p>\n<h5>4. \u5217\u8303\u56f4<\/h5>\n<p>\u5217\u7ea7\u6743\u9650\u4ec5\u4f5c\u7528\u4e8e\u300c\u6570\u636e\u5e93\u540d\u3002\u8868\u540d\u3002\u5217\u540d\u300d&#xff0c;\u662f\u8868\u7ea7\u6743\u9650\u7684\u7cbe\u7ec6\u5316\u8865\u5145&#xff1b;MariaDB 5.5 \u4ec5\u652f\u6301\u5bf9 SELECT\/INSERT\/UPDATE \u8fd9 3 \u7c7b\u64cd\u4f5c\u505a\u5217\u7ea7\u9650\u5236&#xff0c;\u5176\u4ed6\u64cd\u4f5c&#xff08;\u5982 DELETE&#xff09;\u65e0\u5217\u7ea7\u6743\u9650\u63a7\u5236\u3002\u6240\u6709\u6388\u6743\u540e\u9700\u6267\u884c FLUSH PRIVILEGES; \u751f\u6548\u3002<\/p>\n<p>\u5217\u7ea7\u6743\u9650&#xff08;\u4ec5 3 \u7c7b&#xff09;<\/p>\n<table>\n<tr>\u6743\u9650\u540d\u79f0\u4f5c\u7528\u6388\u6743\u8bed\u6cd5\u5b9e\u64cd\u793a\u4f8b&#xff08;\u4ee5 app_db.users \u8868\u4e3a\u4f8b&#xff09;<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">SELECT<\/td>\n<td align=\"center\">\u5141\u8bb8\u67e5\u8be2\u6307\u5b9a\u5217\u7684\u6570\u636e&#xff08;\u63a7\u5236\u300c\u8bfb\u54ea\u4e9b\u5217\u300d&#xff09;<\/td>\n<td align=\"center\">GRANT SELECT(\u52171,\u52172) ON \u5e93.\u8868 TO \u7528\u6237&#064;\u4e3b\u673a;<\/td>\n<td align=\"center\">GRANT SELECT(name, phone) ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">INSERT<\/td>\n<td align=\"center\">\u5141\u8bb8\u5411\u6307\u5b9a\u5217\u63d2\u5165\u6570\u636e&#xff08;\u63a7\u5236\u300c\u5199\u54ea\u4e9b\u5217\u300d&#xff09;<\/td>\n<td align=\"center\">GRANT INSERT(\u52171,\u52172) ON \u5e93.\u8868 TO \u7528\u6237&#064;\u4e3b\u673a;<\/td>\n<td align=\"center\">GRANT INSERT(name, email) ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">UPDATE<\/td>\n<td align=\"center\">\u5141\u8bb8\u4fee\u6539\u6307\u5b9a\u5217\u7684\u6570\u636e&#xff08;\u63a7\u5236\u300c\u6539\u54ea\u4e9b\u5217\u300d&#xff09;<\/td>\n<td align=\"center\">GRANT UPDATE(\u52171,\u52172) ON \u5e93.\u8868 TO \u7528\u6237&#064;\u4e3b\u673a;<\/td>\n<td align=\"center\">GRANT UPDATE(phone) ON app_db.users TO &#039;laowang&#039;&#064;&#039;localhost&#039;;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u793a\u4f8b<\/p>\n<p>\u6ce8\u610f&#xff1a;\u5217\u7ea7\u6388\u6743\u9700\u663e\u5f0f\u6307\u5b9a\u5217\u540d&#xff0c;\u4e14\u4ec5\u652f\u6301 SELECT\/INSERT\/UPDATE\/REFERENCES \u6743\u9650\u3002<\/p>\n<p>&#8212; \u793a\u4f8b1&#xff1a;\u6388\u4e88 user_op \u4ec5\u80fd\u67e5\u8be2 &#096;shop_db.user&#096; \u8868\u7684 &#096;id&#096;\u3001&#096;name&#096; \u5217&#xff08;\u9690\u85cf\u624b\u673a\u53f7\/\u5bc6\u7801&#xff09;<br \/>\nCREATE USER IF NOT EXISTS &#039;user_op&#039;&#064;&#039;%&#039; IDENTIFIED BY &#039;UserOp&#064;123&#039;;<br \/>\nGRANT SELECT (id, name) ON shop_db.user TO &#039;user_op&#039;&#064;&#039;%&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b2&#xff1a;\u6388\u4e88 user_admin \u4ec5\u80fd\u4fee\u6539 &#096;shop_db.user&#096; \u8868\u7684 &#096;status&#096; \u5217&#xff08;\u8d26\u53f7\u72b6\u6001&#xff09;<br \/>\nGRANT UPDATE (status) ON shop_db.user TO &#039;user_admin&#039;&#064;&#039;%&#039;;<\/p>\n<p>&#8212; \u793a\u4f8b3&#xff1a;\u7ec4\u5408\u6388\u6743&#xff1a;\u67e5\u8be2\u57fa\u7840\u5217 &#043; \u4fee\u6539\u624b\u673a\u53f7\u5217<br \/>\nGRANT SELECT (id, name), UPDATE (phone) ON shop_db.user TO &#039;user_mgr&#039;&#064;&#039;%&#039;;<\/p>\n<h4>\u67e5\u8be2\u7528\u6237\u6743\u9650<\/h4>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SHOW GRANTS FOR root&#064;localhost<span class=\"token punctuation\">;<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> Grants <span class=\"token keyword\">for<\/span> root&#064;localhost                                                                                                              <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token operator\">|<\/span> GRANT ALL PRIVILEGES ON *.* TO <span class=\"token string\">&#039;root&#039;<\/span>&#064;<span class=\"token string\">&#039;localhost&#039;<\/span> IDENTIFIED BY PASSWORD <span class=\"token string\">&#039;*84BB5DF4823DA319BBF86C99624479A198E6EEE9&#039;<\/span> WITH GRANT OPTION <span class=\"token operator\">|<\/span><br \/>\n<span class=\"token operator\">|<\/span> GRANT PROXY ON <span class=\"token string\">&#039;&#039;<\/span>&#064;<span class=\"token string\">&#039;%&#039;<\/span> TO <span class=\"token string\">&#039;root&#039;<\/span>&#064;<span class=\"token string\">&#039;localhost&#039;<\/span> WITH GRANT OPTION                                                                          <span class=\"token operator\">|<\/span><br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&#043;<br \/>\n<span class=\"token number\">2<\/span> rows <span class=\"token keyword\">in<\/span> <span class=\"token builtin class-name\">set<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.006<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/h4>\n<li>\n<p>\u6700\u5c0f\u6743\u9650\u539f\u5219&#xff1a;\u4f18\u5148\u6388\u4e88\u201c\u521a\u597d\u591f\u7528\u201d\u7684\u6743\u9650&#xff08;\u5982\u4e1a\u52a1\u5f00\u53d1\u4ec5\u6388\u4e88\u6570\u636e\u5e93\u7ea7\u6743\u9650&#xff0c;\u800c\u975e\u5168\u5c40&#xff09;&#xff0c;\u907f\u514d\u8fc7\u5ea6\u6388\u6743\u3002<\/p>\n<\/li>\n<li>\n<p>\u6743\u9650\u751f\u6548&#xff1a;\u6240\u6709\u6388\u6743\u540e\u9700\u6267\u884c FLUSH PRIVILEGES;\u3002<\/p>\n<\/li>\n<li>\n<p>\u7528\u6237\u8303\u56f4\u9650\u5236&#xff1a;\u751f\u4ea7\u73af\u5883\u907f\u514d &#064;&#039;%&#039;&#xff08;\u4efb\u610f\u4e3b\u673a&#xff09;&#xff0c;\u66ff\u6362\u4e3a\u5177\u4f53 IP&#xff08;\u5982 &#064;&#039;192.168.1.100&#039;&#xff09;\u6216\u7f51\u6bb5&#xff08;&#064;&#039;192.168.1.%&#039;&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u6743\u9650&#xff1a;\u9a8c\u8bc1\u6388\u6743\u7ed3\u679c&#xff0c;\u907f\u514d\u914d\u7f6e\u9519\u8bef&#xff1a;<\/p>\n<p>&#8212; \u67e5\u770b\u6307\u5b9a\u7528\u6237\u7684\u6240\u6709\u6743\u9650<br \/>\nSHOW GRANTS FOR &#039;bao&#039;&#064;&#039;%&#039;;<br \/>\n&#8212; \u67e5\u770b\u5f53\u524d\u767b\u5f55\u7528\u6237\u7684\u6743\u9650<br \/>\nSHOW GRANTS;<\/p>\n<\/li>\n<li>\n<p>\u6743\u9650\u56de\u6536&#xff1a;\u5982\u9700\u64a4\u9500\u6743\u9650&#xff0c;\u683c\u5f0f\u4e0e\u6388\u6743\u5bf9\u5e94&#xff08;\u66ff\u6362 GRANT \u4e3a REVOKE&#xff09;&#xff1a;<\/p>\n<p>&#8212; \u64a4\u9500  \u7684\u5168\u5c40\u521b\u5efa\u7528\u6237\u6743\u9650<br \/>\nREVOKE CREATE USER ON *.* FROM &#039;bao&#039;&#064;&#039;%&#039;;<\/p>\n<\/li>\n<h4>\u5e38\u89c1\u573a\u666f\u6743\u9650\u53c2\u8003<\/h4>\n<table>\n<tr>\u89d2\u8272\u6743\u9650\u8303\u56f4\u63a8\u8350\u6743\u9650\u7ec4\u5408<\/tr>\n<tbody>\n<tr>\n<td>\u8d85\u7ea7\u7ba1\u7406\u5458<\/td>\n<td>*.*<\/td>\n<td>ALL PRIVILEGES WITH GRANT OPTION<\/td>\n<\/tr>\n<tr>\n<td>\u4e1a\u52a1\u5e93\u5f00\u53d1<\/td>\n<td>\u4e1a\u52a1\u5e93.*<\/td>\n<td>CREATE, ALTER, DROP, SELECT, INSERT, UPDATE, DELETE<\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u8425\u53ea\u8bfb<\/td>\n<td>\u4e1a\u52a1\u5e93.*<\/td>\n<td>SELECT<\/td>\n<\/tr>\n<tr>\n<td>\u8ba2\u5355\u8868\u64cd\u4f5c<\/td>\n<td>\u4e1a\u52a1\u5e93.\u8ba2\u5355\u8868<\/td>\n<td>SELECT, INSERT, UPDATE<\/td>\n<\/tr>\n<tr>\n<td>\u654f\u611f\u5217\u7ba1\u63a7<\/td>\n<td>\u4e1a\u52a1\u5e93.\u7528\u6237\u8868<\/td>\n<td>SELECT(id,name), UPDATE(status)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u56de\u6536\u7528\u6237\u6743\u9650<\/h4>\n<p>REVOKE\u8bed\u53e5\u4ece\u5e10\u6237\u4e2d\u5220\u9664\u7279\u6743\u3002 \u8fde\u63a5\u7684\u7528\u6237\u5fc5\u987b\u5177\u6709GRANT OPTION\u7279\u6743&#xff0c;\u5e76\u4e14\u5fc5\u987b\u5177\u6709\u88ab\u64a4\u6d88\u7684\u7279\u5b9a\u7279\u6743\u3002<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">REVOKE<\/span> <span class=\"token keyword\">SELECT<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">UPDATE<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">DELETE<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">INSERT<\/span><br \/>\n    <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">ON<\/span> inventory<span class=\"token punctuation\">.<\/span>category <span class=\"token keyword\">FROM<\/span> <span class=\"token variable\">&#064;localhost<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQuery OK<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">rows<\/span> affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.011<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<h4>\u5220\u9664\u7528\u6237<\/h4>\n<p>\u5f53\u4e0d\u518d\u9700\u8981\u7279\u5b9a\u7684\u7528\u6237\u5e10\u6237\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528DROP USER\u5c06\u5176\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u3002<\/p>\n<p>\u7528\u6237\u540d\u4f7f\u7528**\u2018user\u2019&#064;\u2018host\u2019**\u683c\u5f0f\u3002<\/p>\n<p>MariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token keyword\">DROP<\/span> <span class=\"token keyword\">USER<\/span> bao<span class=\"token variable\">&#064;localhost<\/span><span class=\"token punctuation\">;<\/span><br \/>\nQuery OK<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">rows<\/span> affected <span class=\"token punctuation\">(<\/span><span class=\"token number\">0.001<\/span> sec<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5982\u679c\u5220\u9664\u4e86\u5f53\u524d\u8fde\u63a5\u7684\u5e10\u6237&#xff0c;\u5219\u5728\u5173\u95ed\u8fde\u63a5\u4e4b\u524d\u4e0d\u4f1a\u5220\u9664\u8be5\u5e10\u6237&#xff0c;\u5173\u95ed\u8fde\u63a5\u4e4b\u540e\u624d\u4f1a\u5220\u9664\u8be5\u5e10\u6237\u3002<\/p>\n<h4>\u66f4\u6539\u7528\u6237\u5bc6\u7801<\/h4>\n<p><span class=\"token comment\"># root\u7528\u6237\u4fee\u6539\u666e\u901a\u7528\u6237\u8d26\u6237\u5bc6\u7801<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> USE mysql<span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>mysql<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> UPDATE user SET <span class=\"token assign-left variable\">password<\/span><span class=\"token operator\">&#061;<\/span>PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;mypass&#039;<\/span><span class=\"token punctuation\">)<\/span> WHERE <span class=\"token assign-left variable\">user<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;bao&#039;<\/span> and <span class=\"token assign-left variable\">host<\/span><span class=\"token operator\">&#061;<\/span>\u2019localhost\u2019<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u6216\u8005<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SET PASSWORD FOR <span class=\"token string\">&#039;bao&#039;<\/span>&#064;<span class=\"token string\">&#039;localhost&#039;<\/span> <span class=\"token operator\">&#061;<\/span> PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;mypass&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\"># \u666e\u901a\u7528\u6237\u4fee\u6539\u81ea\u5df1\u8d26\u6237\u5bc6\u7801<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> SET PASSWORD <span class=\"token operator\">&#061;<\/span> PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;mypass&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> FLUSH PRIVILEGES<span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u6392\u6545\u6570\u636e\u5e93\u8bbf\u95ee<\/h4>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86\u7528\u6237\u5728\u8eab\u4efd\u9a8c\u8bc1\u548c\u8bbf\u95ee\u65b9\u9762\u53ef\u80fd\u9047\u5230\u7684\u4e00\u4e9b\u95ee\u9898&#xff0c;\u4ee5\u53ca\u53ef\u80fd\u7684\u539f\u56e0\u3002<\/p>\n<table>\n<tr>\u95ee\u9898\u89e3\u51b3\u65b9\u6cd5<\/tr>\n<tbody>\n<tr>\n<td>\u5df2\u6388\u4e88\u7528\u6237\u4ece\u4efb\u4f55\u4e3b\u673a\u8fdb\u884c\u8fde\u63a5\u7684\u8bbf\u95ee\u6743\u9650&#xff0c;\u4f46\u53ea\u80fd\u4f7f\u7528\u6570\u636e\u5e93\u670d\u52a1\u5668\u672c\u5730mysql\u547d\u4ee4\u8fdb\u884c\u8fde\u63a5\u3002<\/td>\n<td>\u5982\u679c\u5728\u914d\u7f6e\u6587\u4ef6\/etc\/my.cnf.d\/server.cnf\u4e2d\u8bbe\u7f6e\u4e86skip-networking&#xff0c;\u8bf7\u5220\u9664\u8be5\u6307\u4ee4\u5e76\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u53ef\u4ee5\u4e0elocalhost\u4e0a\u7684\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5&#xff0c;\u4f46\u4e0d\u80fd\u8fdc\u7a0b\u8fde\u63a5\u3002<\/td>\n<td>\u786e\u4fdd\/etc\/my.cnf.d\/server.cnf\u4e2d\u7684bind-address\u914d\u7f6e\u6b63\u786e\u3002 \u786e\u4fdd\u7528\u6237\u8868\u4e2d\u5305\u542b\u7528\u6237\u8981\u5c1d\u8bd5\u4e0e\u5176\u8fde\u63a5\u7684\u4e3b\u673a\u7684\u6761\u76ee\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u53ef\u4ee5\u8fde\u63a5&#xff0c;\u4f46\u770b\u4e0d\u5230\u9664information_schema\u4ee5\u5916\u7684\u4efb\u4f55\u6570\u636e\u5e93\u3002<\/td>\n<td>\u786e\u4fdd\u5df2\u6388\u4e88\u7528\u6237\u8bbf\u95ee\u5176\u6570\u636e\u5e93\u7684\u6743\u9650\u3002 \u521a\u521b\u5efa\u7684\u7528\u6237\u5177\u6709\u6700\u5c0f\u6743\u9650&#xff0c;\u4f1a\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u53ef\u4ee5\u8fde\u63a5&#xff0c;\u4f46\u4e0d\u80fd\u521b\u5efa\u4efb\u4f55\u6570\u636e\u5e93\u3002<\/td>\n<td>\u8003\u8651\u5411\u7528\u6237\u6388\u4e88\u5168\u5c40CREATE\u7279\u6743&#xff08;\u8fd9\u4e5f\u6388\u4e88DROP\u7279\u6743&#xff09;\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237\u53ef\u4ee5\u8fde\u63a5&#xff0c;\u4f46\u4e0d\u80fd\u8bfb\u53d6\u6216\u5199\u5165\u4efb\u4f55\u6570\u636e\u3002<\/td>\n<td>\u5411\u7528\u6237\u6388\u4e88\u4ed6\u4eec\u6253\u7b97\u4f7f\u7528\u7684\u6570\u636e\u5e93\u7684CRUD\u7279\u6743\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u601d\u8003<\/h4>\n<h5>1. \u5fd8\u8bb0 root \u7528\u6237\u5bc6\u7801<\/h5>\n<li>\n<p>\u7f16\u8f91**\/etc\/my.cnf.d\/server.cnf**\u914d\u7f6e\u6587\u4ef6&#xff0c;\u5728[mysqld]\u4e0b\u6dfb\u52a0skip-grant-tables&#061;1\u3002<\/p>\n<\/li>\n<li>\n<p>\u91cd\u542f mariadb \u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u6267\u884cmysql -u root\u547d\u4ee4\u8fdb\u5165mysql\u547d\u4ee4\u884c&#xff0c;\u4fee\u6539root\u7528\u6237\u5bc6\u7801\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> UPDATE mysql.user SET <span class=\"token assign-left variable\">password<\/span><span class=\"token operator\">&#061;<\/span>PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u65b0\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">)<\/span> where <span class=\"token assign-left variable\"><span class=\"token environment constant\">USER<\/span><\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;root&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">exit<\/span><\/p>\n<\/li>\n<li>\n<p>\u628a**\/etc\/my.cnf.d\/server.cnf\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684skip-grant-tables&#061;1\u6ce8\u91ca\u6389&#xff0c;\u7136\u540e\u91cd\u542fmariadb**\u670d\u52a1\u3002<\/p>\n<\/li>\n<h5>2. \u65e0\u610f\u56de\u6536\u4e86 root \u8d26\u6237\u6743\u9650<\/h5>\n<p>\u5f53 MySQL \u7684 root \u8d26\u6237\u6240\u6709\u6743\u9650\u88ab\u8bef\u56de\u6536\u65f6&#xff0c;\u6838\u5fc3\u89e3\u51b3\u601d\u8def\u662f\u7ed5\u8fc7\u6743\u9650\u9a8c\u8bc1\u542f\u52a8 MySQL&#xff0c;\u76f4\u63a5\u4fee\u6539\u6743\u9650\u8868\u6062\u590d root \u6743\u9650&#xff0c;\u4ee5\u4e0b\u662f\u9002\u914d MySQL 5.7\/8.0 \u7248\u672c\u7684\u5b8c\u6574\u6062\u590d\u6b65\u9aa4&#xff08;CentOS 7\/8\u3001Ubuntu \u901a\u7528&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6b65\u9aa4 1&#xff1a;\u505c\u6b62 MySQL \u670d\u52a1<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 2&#xff1a;\u8df3\u8fc7\u6743\u9650\u8868\u542f\u52a8 MySQL<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 3&#xff1a;\u65e0\u5bc6\u7801\u767b\u5f55 MySQL<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 4&#xff1a;\u6062\u590d root \u6743\u9650&#xff08;\u5206\u7248\u672c\u5904\u7406&#xff09;<\/p>\n<ul>\n<li>\n<p>\u573a\u666f 1&#xff1a;MySQL 5.7 \u7248\u672c<\/p>\n<p><span class=\"token comment\">&#8212; 1. \u5207\u6362\u5230 mysql \u7cfb\u7edf\u5e93<\/span><br \/>\n<span class=\"token keyword\">USE<\/span> mysql<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 2. \u91cd\u7f6e root \u8d26\u6237\u7684\u6240\u6709\u6743\u9650&#xff08;\u8bbe\u7f6e\u4e3a Y \u8868\u793a\u5f00\u542f&#xff09;<\/span><br \/>\n<span class=\"token keyword\">UPDATE<\/span> <span class=\"token keyword\">user<\/span> <span class=\"token keyword\">SET<\/span><br \/>\n  Select_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Insert_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Update_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Delete_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Create_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Drop_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Reload_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Shutdown_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Process_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> File_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Grant_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> References_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Index_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Alter_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Show_db_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Super_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Create_tmp_table_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Lock_tables_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Execute_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Repl_slave_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Repl_client_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Create_view_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Show_view_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Create_routine_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Alter_routine_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Create_user_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Event_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> Trigger_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  Create_tablespace_priv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;Y&#039;<\/span><br \/>\n<span class=\"token keyword\">WHERE<\/span> <span class=\"token keyword\">User<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;root&#039;<\/span> <span class=\"token operator\">AND<\/span> Host<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;localhost&#039;<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">&#8212; \u82e5\u9700\u6062\u590d\u8fdc\u7a0b root&#xff08;%&#xff09;&#xff0c;\u66ff\u6362 Host&#061;&#039;%&#039;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 3. \u5237\u65b0\u6743\u9650&#xff08;\u4f7f\u4fee\u6539\u751f\u6548&#xff09;<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 4. \u9a8c\u8bc1\u6743\u9650&#xff08;\u53ef\u9009&#xff09;<\/span><br \/>\n<span class=\"token keyword\">SELECT<\/span> <span class=\"token keyword\">User<\/span><span class=\"token punctuation\">,<\/span> Host<span class=\"token punctuation\">,<\/span> Grant_priv <span class=\"token keyword\">FROM<\/span> mysql<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">user<\/span> <span class=\"token keyword\">WHERE<\/span> <span class=\"token keyword\">User<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;root&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u573a\u666f 2&#xff1a;MySQL 8.0 \u7248\u672c<\/p>\n<p><span class=\"token comment\">&#8212; 1. \u5148\u5237\u65b0\u6743\u9650&#xff08;\u542f\u7528\u6743\u9650\u6821\u9a8c&#xff0c;\u5426\u5219 GRANT \u547d\u4ee4\u5931\u6548&#xff09;<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 2. \u91cd\u65b0\u6388\u4e88 root \u5168\u5c40\u6240\u6709\u6743\u9650&#xff08;\u542b\u6388\u6743\u6743\u9650&#xff09;<\/span><br \/>\n<span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">ALL<\/span> <span class=\"token keyword\">PRIVILEGES<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;localhost&#039;<\/span> <span class=\"token keyword\">WITH<\/span> <span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">OPTION<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; \u82e5\u9700\u6062\u590d\u8fdc\u7a0b root&#xff08;%&#xff09;&#xff0c;\u8865\u5145\u6267\u884c&#xff1a;<\/span><br \/>\n<span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">ALL<\/span> <span class=\"token keyword\">PRIVILEGES<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;%&#039;<\/span> <span class=\"token keyword\">WITH<\/span> <span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">OPTION<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 3. \u5237\u65b0\u6743\u9650<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 4. \u9a8c\u8bc1\u6743\u9650&#xff08;\u53ef\u9009&#xff09;<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> GRANTS <span class=\"token keyword\">FOR<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;localhost&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 5&#xff1a;\u91cd\u542f MySQL \u670d\u52a1&#xff08;\u6062\u590d\u6b63\u5e38&#xff09;<\/p>\n<\/li>\n<\/ul>\n<h5>3. \u65e0\u610f\u5220\u9664\u4e86 root \u8d26\u6237<\/h5>\n<p>\u5f53 MySQL \u4e2d\u6240\u6709 root \u8d26\u6237&#xff08;\u5305\u62ec root&#064;localhost\u3001root&#064;% \u7b49&#xff09;\u88ab\u8bef\u5220\u9664\u65f6&#xff0c;\u6838\u5fc3\u601d\u8def\u662f\u8df3\u8fc7\u6743\u9650\u9a8c\u8bc1\u542f\u52a8 MySQL&#xff0c;\u76f4\u63a5\u91cd\u5efa root \u8d26\u6237\u5e76\u8d4b\u4e88\u5168\u6743\u9650&#xff0c;\u4ee5\u4e0b\u662f\u9002\u914d MySQL 5.7\/8.0 \u7248\u672c\u7684\u5b8c\u6574\u6062\u590d\u6b65\u9aa4&#xff08;CentOS\/Ubuntu \u901a\u7528&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6b65\u9aa4 1&#xff1a;\u505c\u6b62 MySQL \u670d\u52a1<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 2&#xff1a;\u8df3\u8fc7\u6743\u9650\u8868\u542f\u52a8 MySQL<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 3&#xff1a;\u65e0\u5bc6\u7801\u767b\u5f55 MySQL<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 4&#xff1a;\u91cd\u5efa root \u8d26\u6237&#xff08;\u5206\u7248\u672c\u5904\u7406&#xff09;<\/p>\n<ul>\n<li>\n<p>\u573a\u666f 1&#xff1a;MySQL 5.7 \u7248\u672c<\/p>\n<p><span class=\"token comment\">&#8212; 1. \u5207\u6362\u5230 mysql \u7cfb\u7edf\u5e93<\/span><br \/>\n<span class=\"token keyword\">USE<\/span> mysql<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 2. \u63d2\u5165 root \u8d26\u6237&#xff08;\u672c\u5730\u767b\u5f55&#xff09;<\/span><br \/>\n<span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> <span class=\"token keyword\">user<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n  Host<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">User<\/span><span class=\"token punctuation\">,<\/span> Password<span class=\"token punctuation\">,<\/span> Select_priv<span class=\"token punctuation\">,<\/span> Insert_priv<span class=\"token punctuation\">,<\/span> Update_priv<span class=\"token punctuation\">,<\/span> Delete_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Create_priv<span class=\"token punctuation\">,<\/span> Drop_priv<span class=\"token punctuation\">,<\/span> Reload_priv<span class=\"token punctuation\">,<\/span> Shutdown_priv<span class=\"token punctuation\">,<\/span> Process_priv<span class=\"token punctuation\">,<\/span> File_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Grant_priv<span class=\"token punctuation\">,<\/span> References_priv<span class=\"token punctuation\">,<\/span> Index_priv<span class=\"token punctuation\">,<\/span> Alter_priv<span class=\"token punctuation\">,<\/span> Show_db_priv<span class=\"token punctuation\">,<\/span> Super_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Create_tmp_table_priv<span class=\"token punctuation\">,<\/span> Lock_tables_priv<span class=\"token punctuation\">,<\/span> Execute_priv<span class=\"token punctuation\">,<\/span> Repl_slave_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Repl_client_priv<span class=\"token punctuation\">,<\/span> Create_view_priv<span class=\"token punctuation\">,<\/span> Show_view_priv<span class=\"token punctuation\">,<\/span> Create_routine_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Alter_routine_priv<span class=\"token punctuation\">,<\/span> Create_user_priv<span class=\"token punctuation\">,<\/span> Event_priv<span class=\"token punctuation\">,<\/span> Trigger_priv<span class=\"token punctuation\">,<\/span><br \/>\n  Create_tablespace_priv<br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">VALUES<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token string\">&#039;localhost&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token punctuation\">,<\/span> PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u4f60\u7684\u65b0\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; &#xff08;\u53ef\u9009&#xff09;\u82e5\u9700\u8981\u8fdc\u7a0b root \u8d26\u6237&#xff08;%&#xff09;&#xff0c;\u8865\u5145\u63d2\u5165<\/span><br \/>\n<span class=\"token keyword\">INSERT<\/span> <span class=\"token keyword\">INTO<\/span> <span class=\"token keyword\">user<\/span> <span class=\"token punctuation\">(<\/span>Host<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">User<\/span><span class=\"token punctuation\">,<\/span> Password<span class=\"token punctuation\">,<\/span> Grant_priv<span class=\"token punctuation\">,<\/span> Super_priv<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">VALUES<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;%&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token punctuation\">,<\/span> PASSWORD<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u4f60\u7684\u65b0\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;Y&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 3. \u5237\u65b0\u6743\u9650&#xff08;\u4f7f\u8d26\u6237\u751f\u6548&#xff09;<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 4. \u9a8c\u8bc1 root \u8d26\u6237\u662f\u5426\u521b\u5efa\u6210\u529f<\/span><br \/>\n<span class=\"token keyword\">SELECT<\/span> <span class=\"token keyword\">User<\/span><span class=\"token punctuation\">,<\/span> Host <span class=\"token keyword\">FROM<\/span> mysql<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">user<\/span> <span class=\"token keyword\">WHERE<\/span> <span class=\"token keyword\">User<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;root&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u573a\u666f2&#xff1a;MySQL 8.0 \u7248\u672c<\/p>\n<p><span class=\"token comment\">&#8212; 1. \u5148\u5237\u65b0\u6743\u9650&#xff08;\u542f\u7528\u6743\u9650\u6821\u9a8c&#xff0c;\u5426\u5219 CREATE USER \u53ef\u80fd\u5931\u6548&#xff09;<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 2. \u521b\u5efa\u672c\u5730 root \u8d26\u6237&#xff08;\u8bbe\u7f6e\u5bc6\u7801&#xff0c;\u66ff\u6362\u4e3a\u4f60\u7684\u5bc6\u7801&#xff09;<\/span><br \/>\n<span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">USER<\/span> <span class=\"token keyword\">IF<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token keyword\">EXISTS<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;localhost&#039;<\/span> IDENTIFIED <span class=\"token keyword\">BY<\/span> <span class=\"token string\">&#039;\u4f60\u7684\u65b0\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; &#xff08;\u53ef\u9009&#xff09;\u521b\u5efa\u8fdc\u7a0b root \u8d26\u6237&#xff08;\u751f\u4ea7\u73af\u5883\u4e0d\u63a8\u8350&#xff09;<\/span><br \/>\n<span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">USER<\/span> <span class=\"token keyword\">IF<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token keyword\">EXISTS<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;%&#039;<\/span> IDENTIFIED <span class=\"token keyword\">BY<\/span> <span class=\"token string\">&#039;\u4f60\u7684\u65b0\u5bc6\u7801&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 3. \u6388\u4e88 root \u5168\u5c40\u6240\u6709\u6743\u9650&#xff08;\u542b\u6388\u6743\u6743\u9650&#xff09;<\/span><br \/>\n<span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">ALL<\/span> <span class=\"token keyword\">PRIVILEGES<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;localhost&#039;<\/span> <span class=\"token keyword\">WITH<\/span> <span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">OPTION<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">ALL<\/span> <span class=\"token keyword\">PRIVILEGES<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;%&#039;<\/span> <span class=\"token keyword\">WITH<\/span> <span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">OPTION<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 4. \u5237\u65b0\u6743\u9650<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">&#8212; 5. \u9a8c\u8bc1\u8d26\u6237<\/span><br \/>\n<span class=\"token keyword\">SHOW<\/span> GRANTS <span class=\"token keyword\">FOR<\/span> <span class=\"token string\">&#039;root&#039;<\/span><span class=\"token variable\">&#064;&#039;localhost&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 5&#xff1a;\u91cd\u542f MySQL \u670d\u52a1&#xff08;\u6062\u590d\u6b63\u5e38&#xff09;<\/p>\n<\/li>\n<\/ul>\n<h3>\u5907\u4efd\u548c\u6062\u590d<\/h3>\n<h4>\u5907\u4efd\u65b9\u5f0f<\/h4>\n<h5>\u903b\u8f91\u5907\u4efd<\/h5>\n<p>\u903b\u8f91\u5907\u4efd&#xff0c;\u5c06\u6570\u636e\u5e93\u5bfc\u51fa\u4e3a\u5305\u542b\u91cd\u65b0\u521b\u5efa\u6570\u636e\u5e93\u6240\u9700\u7684SQL\u547d\u4ee4\u7684\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<ul>\n<li>\u901a\u8fc7\u67e5\u8be2\u6570\u636e\u5e93&#xff0c;\u68c0\u7d22\u6570\u636e\u5e93\u7ed3\u6784\u3002<\/li>\n<li>\u5907\u4efd\u901f\u5ea6\u8f83\u6162&#xff0c;\u56e0\u4e3a\u670d\u52a1\u5668\u5fc5\u987b\u8bbf\u95ee\u6570\u636e\u5e93\u4fe1\u606f\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u903b\u8f91\u683c\u5f0f\u3002<\/li>\n<li>\u903b\u8f91\u5907\u4efd\u5177\u6709\u9ad8\u5ea6\u7684\u53ef\u79fb\u690d\u6027&#xff0c;\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8fd8\u539f\u5230\u5176\u4ed6\u6570\u636e\u5e93\u63d0\u4f9b\u7a0b\u5e8f&#xff08;\u4f8b\u5982PostgreSQL&#xff09;\u3002<\/li>\n<li>\u5728\u670d\u52a1\u5668\u8054\u673a\u65f6\u6267\u884c\u3002<\/li>\n<li>\u5907\u4efd\u4e0d\u5305\u62ec\u65e5\u5fd7\u6216\u914d\u7f6e\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h5>\u7269\u7406\u5907\u4efd<\/h5>\n<p>\u7269\u7406\u5907\u4efd&#xff0c;\u590d\u5236\u539f\u59cb\u6570\u636e\u5e93\u76ee\u5f55\u548c\u5305\u542b\u6570\u636e\u5e93\u5185\u5bb9\u7684\u6587\u4ef6\u3002<\/p>\n<ul>\n<li>\u5907\u4efd\u53ef\u4ee5\u5305\u62ec\u65e5\u5fd7\u548c\u914d\u7f6e\u6587\u4ef6\u3002<\/li>\n<li>\u517c\u5bb9\u6027\u5dee&#xff1a;\u4ec5\u53ef\u79fb\u690d\u5230\u5177\u6709\u7c7b\u4f3c\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u5176\u4ed6\u8ba1\u7b97\u673a\u4e0a\u3002<\/li>\n<li>\u6bd4\u903b\u8f91\u5907\u4efd\u66f4\u5feb\u3002<\/li>\n<li>\u5728\u670d\u52a1\u5668\u8131\u673a\u6216\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868\u5747\u5df2\u9501\u5b9a\u65f6\u6267\u884c&#xff0c;\u4ee5\u9632\u6b62\u5728\u5907\u4efd\u671f\u95f4\u8fdb\u884c\u66f4\u6539\u3002<\/li>\n<\/ul>\n<h4>\u6267\u884c\u5907\u4efd<\/h4>\n<h5>\u6267\u884c\u903b\u8f91\u5907\u4efd<\/h5>\n<p>mysqldump\u547d\u4ee4\u53ef\u7528\u4e8e\u903b\u8f91\u5907\u4efd\u3002\u4f7f\u7528mysqldump\u547d\u4ee4\u8fde\u7684MariaDB&#xff0c;\u7528\u6237\u81f3\u5c11\u9700\u8981\u5bf9\u8f6c\u50a8\u8868\u5177\u6709SELECT\u7279\u6743&#xff0c;\u5bf9\u8f6c\u50a8\u89c6\u56fe\u81f3\u5c11\u9700\u8981SHOW VIEW&#xff0c;\u5bf9\u4e8e\u8f6c\u50a8\u89e6\u53d1\u5668\u81f3\u5c11\u9700\u8981TRIGGER\u7279\u6743\u3002<\/p>\n<p>\u8bed\u6cd5&#xff1a;<\/p>\n<p>Usage: mysqldump <span class=\"token punctuation\">[<\/span>OPTIONS<span class=\"token punctuation\">]<\/span> database <span class=\"token punctuation\">[<\/span>tables<span class=\"token punctuation\">]<\/span><br \/>\nOR     mysqldump <span class=\"token punctuation\">[<\/span>OPTIONS<span class=\"token punctuation\">]<\/span> &#8211;databases <span class=\"token punctuation\">[<\/span>OPTIONS<span class=\"token punctuation\">]<\/span> DB1 <span class=\"token punctuation\">[<\/span>DB2 DB3<span class=\"token punctuation\">..<\/span>.<span class=\"token punctuation\">]<\/span><br \/>\nOR     mysqldump <span class=\"token punctuation\">[<\/span>OPTIONS<span class=\"token punctuation\">]<\/span> &#8211;all-databases <span class=\"token punctuation\">[<\/span>OPTIONS<span class=\"token punctuation\">]<\/span><br \/>\nFor <span class=\"token function\">more<\/span> options, use mysqldump &#8211;help<\/p>\n<p>\u5e38\u7528\u9009\u9879&#xff1a;<\/p>\n<p>  -A, &#8211;all-databases Dump all the databases. This will be same as &#8211;databases<br \/>\n                      with all databases selected.<br \/>\n  &#8211;ignore-database<span class=\"token operator\">&#061;<\/span>name<br \/>\n                      Do not dump the specified database. To specify <span class=\"token function\">more<\/span> than<br \/>\n                      one database to ignore, use the directive multiple times,<br \/>\n                      once <span class=\"token keyword\">for<\/span> each database. Only takes effect when used<br \/>\n                      together with &#8211;all-databases<span class=\"token operator\">|<\/span>-A<br \/>\n  -B, &#8211;databases     Dump several databases. Note the difference <span class=\"token keyword\">in<\/span> usage<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">in<\/span><br \/>\n                      this <span class=\"token keyword\">case<\/span> no tables are given. All name arguments are<br \/>\n                      regarded as database names. <span class=\"token string\">&#039;USE db_name;&#039;<\/span> will be<br \/>\n                      included <span class=\"token keyword\">in<\/span> the output.<\/p>\n<p>  -Y, &#8211;all-tablespaces<br \/>\n                      Dump all the tablespaces.<br \/>\n  &#8211;ignore-table<span class=\"token operator\">&#061;<\/span>name Do not dump the specified table. To specify <span class=\"token function\">more<\/span> than one<br \/>\n                      table to ignore, use the directive multiple times, once<br \/>\n                      <span class=\"token keyword\">for<\/span> each table.  Each table must be specified with both<br \/>\n                      database and table names, e.g.,<br \/>\n                      &#8211;ignore-table<span class=\"token operator\">&#061;<\/span>database.table.<br \/>\n  -y, &#8211;no-tablespaces<br \/>\n                      Do not dump any tablespace information.<\/p>\n<p>  &#8211;add-drop-database Add a DROP DATABASE before each create.<br \/>\n  &#8211;add-drop-table    Add a DROP TABLE before each create.<\/p>\n<p>-x, &#8211;lock-all-tables<br \/>\n                      Locks all tables across all databases. This is achieved<br \/>\n                      by taking a global <span class=\"token builtin class-name\">read<\/span> lock <span class=\"token keyword\">for<\/span> the duration of the<br \/>\n                      whole dump. Automatically turns &#8211;single-transaction and<br \/>\n                      &#8211;lock-tables off.<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysqldump -u root -p inventory &gt; \/backup\/inventory.dump<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysqldump -u root -p &#8211;all-databases &gt; \/backup\/mariadb.dump<\/span><\/p>\n<p>\u5bfc\u51fa\u7684\u6587\u672c\u6587\u4ef6\u90e8\u5206\u5185\u5bb9\u793a\u4f8b&#xff1a;<\/p>\n<p>DROP TABLE IF EXISTS <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n\/*<span class=\"token operator\">!<\/span><span class=\"token number\">40101<\/span> SET &#064;saved_cs_client     <span class=\"token operator\">&#061;<\/span> &#064;&#064;character_set_client *\/<span class=\"token punctuation\">;<\/span><br \/>\n\/*<span class=\"token operator\">!<\/span><span class=\"token number\">40101<\/span> SET character_set_client <span class=\"token operator\">&#061;<\/span> utf8 *\/<span class=\"token punctuation\">;<\/span><br \/>\nCREATE TABLE <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span><span class=\"token function\">id<\/span><span class=\"token variable\">&#096;<\/span><\/span> int<span class=\"token punctuation\">(<\/span><span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span> NOT NULL AUTO_INCREMENT,<br \/>\n  <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>name<span class=\"token variable\">&#096;<\/span><\/span> varchar<span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> NOT NULL,<br \/>\n  PRIMARY KEY <span class=\"token punctuation\">(<\/span><span class=\"token variable\"><span class=\"token variable\">&#096;<\/span><span class=\"token function\">id<\/span><span class=\"token variable\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token assign-left variable\">ENGINE<\/span><span class=\"token operator\">&#061;<\/span>InnoDB <span class=\"token assign-left variable\">AUTO_INCREMENT<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token number\">4<\/span> DEFAULT <span class=\"token assign-left variable\">CHARSET<\/span><span class=\"token operator\">&#061;<\/span>latin1<span class=\"token punctuation\">;<\/span><br \/>\n\/*<span class=\"token operator\">!<\/span><span class=\"token number\">40101<\/span> SET character_set_client <span class=\"token operator\">&#061;<\/span> &#064;saved_cs_client *\/<span class=\"token punctuation\">;<\/span><\/p>\n<p>&#8212;<br \/>\n&#8212; Dumping data <span class=\"token keyword\">for<\/span> table <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span><br \/>\n&#8212;<\/p>\n<p>LOCK TABLES <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span> WRITE<span class=\"token punctuation\">;<\/span><br \/>\n\/*<span class=\"token operator\">!<\/span><span class=\"token number\">40000<\/span> ALTER TABLE <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span> DISABLE KEYS *\/<span class=\"token punctuation\">;<\/span><br \/>\nINSERT INTO <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span> VALUES <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span>,<span class=\"token string\">&#039;Networking&#039;<\/span><span class=\"token punctuation\">)<\/span>,<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span>,<span class=\"token string\">&#039;Servers&#039;<\/span><span class=\"token punctuation\">)<\/span>,<span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span>,<span class=\"token string\">&#039;Ssd&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n\/*<span class=\"token operator\">!<\/span><span class=\"token number\">40000<\/span> ALTER TABLE <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>category<span class=\"token variable\">&#096;<\/span><\/span> ENABLE KEYS *\/<span class=\"token punctuation\">;<\/span><br \/>\nUNLOCK TABLES<span class=\"token punctuation\">;<\/span><\/p>\n<h5>\u6267\u884c\u7269\u7406\u5907\u4efd<\/h5>\n<p><span class=\"token comment\"># \u505c\u6b62<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl stop mariadb<\/span><\/p>\n<p><span class=\"token comment\"># \u6267\u884c\u5907\u4efd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># cp -a \/var\/lib\/mysql \/backup\/mysql<\/span><\/p>\n<h4>\u6267\u884c\u6062\u590d<\/h4>\n<p>\u8fd8\u539f\u5907\u4efd\u65f6&#xff0c;\u5b83\u5c06\u7528\u5907\u4efd\u7684\u5185\u5bb9\u8986\u76d6\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u5185\u5bb9\u3002 \u5982\u679c\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u6bd4\u5907\u4efd\u4e2d\u7684\u6570\u636e\u65b0&#xff0c;\u8be5\u90e8\u5206\u6570\u636e\u5c06\u4f1a\u4e22\u5931\u3002<\/p>\n<h5>\u6062\u590d\u903b\u8f91\u5907\u4efd<\/h5>\n<p><span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mysql -u root -p inventory &lt; \/backup\/mariadb.dump<\/span><br \/>\n<span class=\"token comment\"># \u6216\u8005<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>none<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> use inventory<span class=\"token punctuation\">;<\/span><br \/>\nMariaDB <span class=\"token punctuation\">[<\/span>inventory<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin class-name\">source<\/span> \/backup\/mariadb.dump<\/p>\n<h5>\u6062\u590d\u7269\u7406\u5907\u4efd<\/h5>\n<p>mariabackup\u5de5\u5177\u4f7f\u7528\u4ee5\u4e0b\u9009\u9879\u4e4b\u4e00&#xff0c;\u4ee5\u4ece\u7269\u7406\u5907\u4efd\u6267\u884c\u8fd8\u539f&#xff1a;<\/p>\n<ul>\n<li>\u2013copy-back&#xff0c;\u4fdd\u7559\u539f\u59cb\u5907\u4efd\u6587\u4ef6\u3002<\/li>\n<li>\u2013move-back&#xff0c;\u5c06\u5907\u4efd\u6587\u4ef6\u79fb\u52a8\u5230\u6570\u636e\u76ee\u5f55&#xff0c;\u7136\u540e\u5220\u9664\u539f\u59cb\u5907\u4efd\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u64cd\u4f5c\u8fc7\u7a0b\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u505c\u6b62mariadb\u670d\u52a1<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl stop mariadb<\/span><\/p>\n<p><span class=\"token comment\"># \u6a21\u62df\u5220\u9664\u539f\u6570\u636e<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># rm -fr \/var\/lib\/mysql<\/span><\/p>\n<p><span class=\"token comment\"># \u6062\u590d\u6570\u636e<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># cp -a \/backup\/mysql \/var\/lib\/mysql<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chown -R mysql:mysql \/var\/lib\/mysql\/<\/span><\/p>\n<p><span class=\"token comment\">#\u786e\u8ba4\u76ee\u5f55\u4e2d\u5185\u5bb9<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ls \/var\/lib\/mysql<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u52a8\u670d\u52a1<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;server ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># systemctl start mariadb<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MariaDB \u6570\u636e\u5e93\u7ba1\u7406<br \/>\n\u4ecb\u7ecd MariaDB<br \/>\n\u6570\u636e\u5e93\u4ecb\u7ecd<br \/>\n**\u6570\u636e\u5e93&#xff0c;\u662f\u4e00\u4e2a\u5b58\u653e\u8ba1\u7b97\u673a\u6570\u636e\u7684\u4ed3\u5e93\u3002**\u8fd9\u4e2a\u4ed3\u5e93\u662f\u6309\u7167\u4e00\u5b9a\u7684\u6570\u636e\u7ed3\u6784\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u7ec4\u7ec7\u548c\u5b58\u50a8\u7684&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u591a\u79cd\u65b9\u6cd5\u6765\u7ba1\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002<br \/>\n\u6570\u636e\u7ed3\u6784&#xff0c;\u662f\u6307\u6570\u636e\u7684\u7ec4\u7ec7\u5f62\u5f0f\u6216\u6570\u636e\u4e4b\u95f4\u7684\u8054\u7cfb\u3002<br \/>\n\u6570\u636e\u5e93\u79cd\u7c7b<br \/>\n\u6309\u7167\u65e9\u671f\u7684\u6570\u636e\u5e93\u7406\u8bba&#xff0c;\u6bd4\u8f83\u6d41\u884c\u7684\u6570\u636e\u5e93\u6a21\u578b\u6709\u4e09\u79cd&#xff0c;\u5206\u522b\u4e3a&#xff1a;<br \/>\n\u5c42\u6b21\u5f0f\u6570\u636e\u5e93&#xff0c;\u4ee5\u5c42\u6b21\u6a21\u578b\u5efa\u7acb\u7684\u6570\u636e\u5e93&amp;#xff0c<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[937,100,43],"topic":[],"class_list":["post-67060","post","type-post","status-publish","format-standard","hentry","category-server","tag-mariadb","tag-100","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mariadb \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/67060.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mariadb \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"MariaDB \u6570\u636e\u5e93\u7ba1\u7406 \u4ecb\u7ecd MariaDB \u6570\u636e\u5e93\u4ecb\u7ecd **\u6570\u636e\u5e93&#xff0c;\u662f\u4e00\u4e2a\u5b58\u653e\u8ba1\u7b97\u673a\u6570\u636e\u7684\u4ed3\u5e93\u3002**\u8fd9\u4e2a\u4ed3\u5e93\u662f\u6309\u7167\u4e00\u5b9a\u7684\u6570\u636e\u7ed3\u6784\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u7ec4\u7ec7\u548c\u5b58\u50a8\u7684&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u591a\u79cd\u65b9\u6cd5\u6765\u7ba1\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002 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name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"20 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/67060.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/67060.html\",\"name\":\"Mariadb \u670d\u52a1\u5668 - 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