{"id":68190,"date":"2026-01-29T20:57:56","date_gmt":"2026-01-29T12:57:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/68190.html"},"modified":"2026-01-29T20:57:56","modified_gmt":"2026-01-29T12:57:56","slug":"navicat%e7%9a%84%e4%bd%bf%e7%94%a8%ef%bc%8cmysql%e6%95%b0%e6%8d%ae%e5%ba%93%e8%a1%a8%e7%9a%84%e6%93%8d%e4%bd%9c%ef%bc%8c%e5%88%9b%e5%bb%ba%ef%bc%8c%e7%bb%93%e6%9e%84%ef%bc%8c%e4%bf%ae%e6%94%b9","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/68190.html","title":{"rendered":"NAVICAT\u7684\u4f7f\u7528\uff0cMySQL\u6570\u636e\u5e93\u8868\u7684\u64cd\u4f5c\uff0c\u521b\u5efa\uff0c\u7ed3\u6784\uff0c\u4fee\u6539\uff0c\u5220\u9664\uff0c\u6a21\u62df\u7ec3\u4e60"},"content":{"rendered":"<h2>\u524d\u8a00\u2764\ufe0f\u2764\ufe0f<\/h2>\n<p>hello hello&#x1f495;&#xff0c;\u8fd9\u91cc\u662f\u6d0b\u4e0d\u5199bug~&#x1f604;&#xff0c;\u6b22\u8fce\u5927\u5bb6\u70b9\u8d5e&#x1f44d;&#x1f44d;&#xff0c;\u5173\u6ce8&#x1f60d;&#x1f60d;&#xff0c;\u6536\u85cf&#x1f339;&#x1f339; 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<\/p>\n<p>\u5728NAVICAT\u4e2d\u65b0\u5efa\u8fde\u63a5\u540e\u53ef\u4ee5\u5728\u8fd9\u91cc\u76f4\u63a5\u9009\u62e9\u6570\u636e\u5e93&#xff0c;\u540e\u7eed\u5728\u8fd9\u4e2a\u8fde\u63a5\u4e2d\u7684\u5404\u79cd\u64cd\u4f5c\u90fd\u662f\u5728\u8fd9\u4e2a\u9009\u62e9\u7684\u6570\u636e\u5e93\u4e2d\u6267\u884c\u7684&#xff08;\u8fd8\u662f\u8981\u8bb0\u5f97\u524d\u9762\u7684\u547d\u4ee4\u7684&#xff0c;\u8fd9\u6837\u5728mysql\u547d\u4ee4\u884c\u5de5\u5177\u4e2d\u4e5f\u80fd\u521b\u5efa\u8868&#xff09;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125751-697b594f24873.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>3&#xff0c;\u8868\u7684\u521b\u5efa<\/h2>\n<h3>1&#xff0c;\u521b\u5efa\u8bed\u6cd5<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125751-697b594f40f45.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>tbl_name\u5c31\u662f\u7ed9\u8868\u8d77\u7684\u540d\u5b57 <\/li>\n<li>field\u5c31\u662f\u5217\u540d <\/li>\n<li>datatype\u662f\u6570\u636e\u7c7b\u578b\u7684\u610f\u601d&#xff0c;\u5c31\u662f\u4e0a\u7bc7\u6570\u636e\u5e93\u535a\u5ba2\u63d0\u5230\u7684\u90a3\u4e9b <\/li>\n<li>\u540e\u9762\u7684\u5b57\u7b26\u96c6&#xff0c;\u6392\u5e8f\u89c4\u5219&#xff0c;\u4e00\u822c\u662f\u4e0d\u7528\u53bb\u5199\u7684&#xff0c;\u4e0d\u5199\u7684\u8bdd\u5c31\u9ed8\u8ba4\u8ddf\u6570\u636e\u5e93\u4e2d\u7684\u4e00\u6837&#xff0c;\u5199\u7684\u8bdd\u4e5f\u53ea\u9488\u5bf9\u5f53\u524d\u8868\u751f\u6548\u3002 <\/li>\n<li>\n<p>\u521b\u5efa\u4e2a\u6709\u5173\u7528\u6237\u7684\u8868<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125751-697b594f90c25.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/>  <\/p>\n<p>\u8fd9\u6837\u5c31\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3ausers\u7684\u8868\u3002 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alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>2&#xff0c;\u5217\u540d\u6216\u8868\u540d\u4e0e\u5173\u952e\u5b57\u7684\u51b2\u7a81<\/h3>\n<p>\u90a3\u521a\u521a\u521b\u5efa\u7684table\u8868\u4e2d\u5176\u5b9e\u6709\u4e2a\u4e0d\u592a\u4e25\u8c28\u7684\u5730\u65b9&#xff0c;\u5927\u5bb6\u53ef\u4ee5\u518d\u7ffb\u5230\u524d\u9762\u4ed4\u7ec6\u770b\u4e0b&#xff1a; \u6211\u4eec\u53d1\u73b0&#xff0c;password\u5217\u540d\u662f\u84dd\u8272\u7684&#xff0c;\u800c\u53ea\u6709\u5173\u952e\u5b57\u624d\u662f\u84dd\u8272\u7684&#xff0c;\u8fd9\u91cc\u5176\u5b9e\u6211\u4eec\u4e0d\u7ba1&#xff0c;\u4e5f\u4e0d\u4f1a\u51fa\u9519&#xff0c;\u8fd8\u662f\u628apassword\u5f53\u4f5c\u5217\u540d\u6765\u5904\u7406\u4e86&#xff0c;\u4f46\u662f\u5982\u679c\u8981\u66f4\u4e25\u8c28\u4e00\u4e9b\u7684\u8bdd&#xff0c;\u5c31\u53ef\u4ee5\u5728password\u5de6\u53f3\u52a0\u4e0a&#096; ,\u6807\u8bb0\u5b83\u662f\u4e00\u4e2a\u5217\u540d&#xff0c;\u8fd9\u6837\u5c31\u4e0d\u4f1a\u8ddf\u5173\u952e\u5b57\u4e00\u4e2a\u989c\u8272<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125752-697b59501cb61.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u90a3\u8fd9\u91cc\u5217\u540d\u8ddf\u5173\u952e\u5b57\u91cd\u590d\u5176\u5b9e\u4e0d\u52a0&#096;&#096; &#xff0c;\u4e5f\u662f\u6b63\u5e38\u5904\u7406\u7684&#xff0c;\u90a3\u5982\u679c\u6211\u4eec\u7684\u8868\u540d\u8ddf\u5173\u952e\u5b57\u91cd\u590d\u4e86&#xff0c;\u4f1a\u62a5\u9519\u5417&#xff1f;&#xff1f;&#xff1f; \u5c1d\u8bd5\u4e00\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125752-697b59504be0b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u6211\u4eec\u8fd0\u884c\u770b\u4e0b\u7ed3\u679c&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125752-697b595068af8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8fd9\u91cc\u5c31\u4f1a\u62a5\u9519&#xff0c;\u6211\u4eec\u770b\u4e0b\u9519\u8bef\u7684\u4fe1\u606f&#xff0c;\u8fd9\u91cc\u5c31\u63d0\u793a\u9519\u8bef\u5728create\u9644\u8fd1&#xff0c;\u90a3\u663e\u7136\u8fd9\u6837\u662f\u4e0d\u884c\u7684&#xff0c;\u6211\u4eec\u518d\u52a0\u4e0a&#096;&#xff0c;\u770b\u4e0b\u7ed3\u679c&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125752-697b59509a648.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8fd9\u65f6\u5019\u5c31\u8fd0\u884c\u6b63\u5e38\u4e86&#xff0c;\u6211\u4eec\u53f3\u952e\u70b9\u51fb\u4e00\u4e0b\u5237\u65b0&#xff0c;\u4f1a\u770b\u5230\u5728\u8fd9\u4e2a\u6570\u636e\u5e93\u4e0b\u7684\u8fd9\u4e2a\u8868<\/p>\n<h3>3&#xff0c;\u8868\u7684\u6587\u4ef6\u663e\u793a<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u67e5\u8be2\u4e0b\u8fd9\u4e2a\u8868<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125752-697b5950cb0d3.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u90a3\u5c31\u770b\u5230\u4e86\u8fd9\u4e2a\u8868&#xff0c;\u6709\u65f6\u5019\u6211\u4eec\u4e0d\u786e\u5b9a\u540c\u4e8b\u6709\u6ca1\u6709\u521b\u5efa\u8868&#xff0c;\u5c31\u53ef\u4ee5show\u770b\u4e00\u4e0b<\/p>\n<p>\u6211\u4eec\u73b0\u5728\u521b\u5efa\u8868&#xff0c;\u9ed8\u8ba4\u4f7f\u7528\u7684\u5f15\u64ce\u5c31\u662fINOODB&#xff0c;\u90a3\u6211\u4eec\u518d\u521b\u5efa\u4e2a\u8868&#xff0c;\u6307\u5b9a\u4e3aMyISAM\u5f15\u64ce&#xff0c;\u8fd9\u91cc\u5c31\u4e0d\u5199\u6ce8\u89e3\u4e86&#xff0c;\u53ea\u662f\u6f14\u793a\u4e00\u4e0b\u3002<\/p>\n<p>CREATE TABLE t_myisam(<br \/>\n   id BIGINT,<br \/>\n   &#096;name&#096; VARCHAR(32)<br \/>\n)ENGINE &#061; Myisam;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125753-697b59510a29f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u6211\u4eec\u5728\u7535\u8111\u4e0a\u6309\u7167\u8fd9\u4e2a\u8def\u5f84\u67e5\u627e\u5230\u8868\u7684\u5b58\u50a8\u4f4d\u7f6e&#xff0c;C\u76d8\u7684ProgrameData\u662f\u9690\u85cf\u76ee\u5f55&#xff0c;\u6211\u4eec\u8981\u5728\u663e\u793a\u4e2d\u628a\u8fd9\u4e2a\u8c03\u4e3a\u53ef\u89c1<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125753-697b59517ff78.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125753-697b5951b6555.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>4&#xff0c;\u67e5\u770b\u8868\u7684\u7ed3\u6784<\/h2>\n<p>\u6211\u4eec\u8f93\u5165desc &#043; \u8868\u540d&#xff0c;\u5c31\u53ef\u4ee5\u67e5\u770b\u8868\u7684\u7ed3\u6784<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125755-697b59530c3b8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260129125755-697b59531fea7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <\/p>\n<p>\u5728NAVICAT\u4e2d\u8fd8\u6709\u4e00\u79cd\u66f4\u7b80\u5355\u7684\u65b9\u6cd5&#xff0c;\u90a3\u5c31\u662f\u53f3\u952e\u8fd9\u4e2a\u8868&#xff0c;\u6253\u5f00\u8bbe\u8ba1\u8868&#xff0c;\u53ef\u4ee5\u5feb\u6377\u770b\u5230\u8868\u7684\u4fe1\u606f&#xff0c;\u5982\u4e0b\u56fe<\/p>\n<p><img decoding=\"async\" src=\"2026-01-29yianhgt151z.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>5&#xff0c;\u8868\u7684\u4fee\u6539<\/h2>\n<p>\u5148\u5927\u6982\u770b\u4e0b\u8bed\u6cd5&#xff0c;\u65b9\u4fbf\u540e\u9762\u7684\u8bb2\u89e3&#xff08;\u5982\u4e0b\u56fe&#xff09;<\/p>\n<p><img decoding=\"async\" src=\"2026-01-295pzr0adwuia.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/p>\n<p>\u6bd4\u5982\u8bf4&#xff0c;\u5411user\u8fd9\u4e2a\u8868\u7684\u5bc6\u7801\u8fd9\u5217\u540e\u9762\u6dfb\u52a0\u4e00\u5217assets&#xff0c;\u8868\u793a\u5934\u50cf\u5730\u5740&#xff1a; \u6ce8&#xff1a;\u8fd9\u91cc\u5982\u679c\u6211\u4eec\u4e0d\u6307\u5b9a\u52a0\u5230\u54ea\u91cc&#xff0c;\u90a3\u5c31\u662f\u9ed8\u8ba4\u52a0\u5230\u8868\u7684\u672b\u5c3e&#xff0c;\u5982\u4e0b\u56fe&#xff1a;<\/p>\n<p><span class=\"token keyword\">alter<\/span> <span class=\"token keyword\">table<\/span> users <span class=\"token keyword\">add<\/span> assets <span class=\"token keyword\">varchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">comment<\/span> <span class=\"token string\">&#039;\u5934\u50cf\u5730\u5740&#039;<\/span>  <span class=\"token keyword\">after<\/span> password<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2026-01-29anotttmud3p.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/p>\n<p>\u8c03\u6574\u4e0bassets\u7684\u4f4d\u7f6e&#xff0c;\u4f7f\u7528modify&#xff0c;\u628a\u8fd9\u4e2aassets\u8c03\u5230birthday\u7684\u540e\u9762,\u5982\u4e0b\u56fe&#xff1a;<\/p>\n<p><span class=\"token keyword\">alter<\/span> <span class=\"token keyword\">table<\/span> users <span class=\"token keyword\">modify<\/span> assets <span class=\"token keyword\">varchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">comment<\/span> <span class=\"token string\">&#039;\u5934\u50cf\u5730\u5740&#039;<\/span> <span class=\"token keyword\">after<\/span> birthday<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2026-01-29dsyzmkwiahb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <\/p>\n<p>\u63a5\u4e0b\u6765\u53ef\u4ee5\u628a\u8fd9\u4e2aassets\u91cd\u547d\u540d\u4e3aavatar(\u5934\u50cf)&#xff0c;\u770b\u4e0b\u8bbe\u8ba1\u8868&#xff0c;\u4e5f\u4fee\u6539\u6210\u529f\u4e86\u3002<\/p>\n<p><span class=\"token keyword\">alter<\/span> <span class=\"token keyword\">table<\/span> users <span class=\"token keyword\">rename<\/span> <span class=\"token keyword\">COLUMN<\/span> assets <span class=\"token keyword\">TO<\/span> avatar<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2026-01-2943ivzqfj1u4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <\/p>\n<p>\u4e5f\u53ef\u4ee5\u4e24\u4e2a\u64cd\u4f5c\u4e00\u8d77\u641e&#xff0c;\u5220\u9664avatar\u8fd9\u4e00\u5217&#xff0c;\u518d\u7ed9user\u8fd9\u4e2a\u8868\u91cd\u547d\u540d&#xff0c;\u4e2d\u95f4\u7684\u64cd\u4f5c\u7528\u9017\u53f7\u9694\u5f00&#xff0c;\u4e5f\u662f\u80fd\u4fee\u6539\u6210\u529f\u7684&#xff0c;\u5982\u4e0b\u56fe&#xff1a;<\/p>\n<p><span class=\"token keyword\">alter<\/span> <span class=\"token keyword\">table<\/span> users <span class=\"token keyword\">drop<\/span> avatar<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">rename<\/span> user01<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2026-01-29flc4dcntaro.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p> \u8fd8\u6709\u4e00\u79cd\u66f4\u52a0\u7b80\u5355\u5feb\u6377\u7684\u65b9\u5f0f&#xff0c;\u5c31\u662f\u76f4\u63a5\u5728\u8bbe\u8ba1\u8868\u8fd9\u4e2a\u9875\u9762\u8fdb\u884c\u5404\u79cd\u4fee\u6539&#xff0c;\u53ef\u4ee5\u6dfb\u52a0\u5217\u540d&#xff0c;\u4fee\u6539\u53c2\u6570&#xff0c;\u5220\u9664\u7b49\u7b49\u3002 <img decoding=\"async\" src=\"2026-01-29nath24wp30y.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>6&#xff0c;\u8868\u7684\u5220\u9664<\/h2>\n<p>\u8fd9\u4e2a\u662f\u4e2a\u6bd4\u8f83\u5371\u9669\u7684\u64cd\u4f5c&#xff0c;\u5927\u5bb6\u5728\u5220\u9664\u4e00\u4e2a\u8868\u4e4b\u524d\u4e00\u5b9a\u8981\u614e\u91cd\u8003\u8651&#xff0c;\u8fd9\u91cc\u5bf9\u5e94\u6587\u4ef6\u6765\u5b66\u4e60\u8fd9\u4e2a\u64cd\u4f5c<\/p>\n<p><img decoding=\"async\" src=\"2026-01-29ltnzygrkcxq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <\/p>\n<p>\u6309\u7167\u8fd9\u4e2a\u8def\u5f84\u6253\u5f00&#xff0c;\u4f1a\u53d1\u73b0\u8fd9\u91cc\u521b\u5efa\u7684first_database\u6570\u636e\u5e93\u4e2d\u6709\u4e09\u4e2a\u8868(\u5206\u522b\u662fcreate\u8868&#xff0c;user01\u8868&#xff0c;t_mysiam\u8868)<\/p>\n<p><img decoding=\"async\" src=\"2026-01-29ddmflkpj5iw.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/p>\n<p>\u5220\u9664\u4e00\u4e0b t_myisam\u8fd9\u4e2a\u8868&#xff0c;\u63a5\u7740\u518d\u770b\u4e0b\u8fd9\u4e2a\u76ee\u5f55\u4e2d\u7684\u5185\u5bb9&#xff0c;\u5c31\u4f1a\u53d1\u73b0\u4e0e\u8fd9\u4e2a\u8868\u6709\u5173\u7684\u4e09\u4e2a\u6587\u4ef6\u90fd\u88ab\u5220\u9664\u4e86\u3002<\/p>\n<p><span class=\"token keyword\">drop<\/span> <span class=\"token keyword\">table<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">exists<\/span> t_myisam<span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"2026-01-295kw5fkptntx.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>7&#xff0c;\u6a21\u62df\u65e5\u5e38\u60c5\u51b5\u7684\u7ec3\u4e60<\/h2>\n<p><img decoding=\"async\" src=\"2026-01-29qr3wxvt4qui.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-01-29qqjn5pjux1j.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-01-29ltri4uaydj4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8fd9\u91cc\u9700\u8981\u65b0\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93&#xff0c;\u91cc\u9762\u6709\u4e09\u4e2a\u8868&#xff0c;\u8868\u4e2d\u7684\u5217\u540d&#xff0c;\u6570\u636e\u7c7b\u578b\u90fd\u5df2\u7ecf\u7ed9\u51fa\u4e86&#xff0c; \u5efa\u8bae\u94c1\u6c41\u4eec\u5148\u4e0d\u770b\u4e0b\u9762\u5199\u7684sql\u8bed\u53e5&#xff0c;\u5148\u6a21\u62df\u7ec3\u4e60\u4e00\u4e0b&#xff1a;<\/p>\n<\/p>\n<p>\u5148\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93&#xff0c;\u5e76\u4e14\u4f7f\u7528\u8fd9\u4e2a\u6570\u636e\u5e93&#xff0c;\u63a5\u4e0b\u6765\u521b\u5efa\u8fd9\u4e09\u4e2a\u8868<\/p>\n<p><span class=\"token keyword\">create<\/span> <span class=\"token keyword\">database<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token operator\">not<\/span> <span class=\"token keyword\">exists<\/span> store<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">use<\/span> store<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">create<\/span> <span class=\"token keyword\">table<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token operator\">not<\/span> <span class=\"token keyword\">exists<\/span> goods<span class=\"token punctuation\">(<\/span><br \/>\n   id <span class=\"token keyword\">bigint<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5546\u54c1\u7f16\u53f7&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>name<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5546\u54c1\u540d&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n   unitprice <span class=\"token keyword\">decimal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u96f6\u552e\u5355\u4ef7&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n   costprice <span class=\"token keyword\">decimal<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u6210\u672c\u4ef7&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n   category <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5546\u54c1\u7c7b\u578b&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n   provider <span class=\"token keyword\">VARCHAR<\/span><span 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