{"id":79312,"date":"2026-03-01T18:57:12","date_gmt":"2026-03-01T10:57:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79312.html"},"modified":"2026-03-01T18:57:12","modified_gmt":"2026-03-01T10:57:12","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%e9%97%aemysql-%e8%87%aa%e5%a2%9e-id-%e7%94%a8%e5%ae%8c%e4%ba%86%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%8c%e8%af%a5%e5%a6%82%e4%bd%95%e5%9b%9e%e7%ad%94%e5%91%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79312.html","title":{"rendered":"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f"},"content":{"rendered":"<p>\u8bf4\u5b9e\u8bdd&#xff0c;\u5728\u6b64\u4e4b\u524d\u6211\u4e5f\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u201cMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e?\u201d&#xff0c;\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u5e73\u65f6\u5efa\u8868\u90fd\u76f4\u63a5\u7528 BIGINT&#xff0c;\u6839\u672c\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u4e0d\u8fc7\u65e2\u7136\u770b\u5230\u4e86&#xff0c;\u90a3\u6211\u4eec\u5c31\u597d\u597d\u601d\u8003\u4e0b\u3002\u9996\u5148\u6211\u4eec\u6765\u62c6\u63a5\u4e0b\u9762\u8bd5\u5b98\u95ee\u8fd9\u4e2a\u95ee\u9898\u7684\u76ee\u7684&#xff0c;\u6216\u8005\u8bf4\u4ed6\u60f3\u8003\u5bdf\u4ec0\u4e48&#xff1f;\u6211\u89c9\u5f97\u4ed6\u5927\u6982\u662f\u60f3\u8003\u5bdf\u4f60\u5bf9 MySQL \u81ea\u589eID\u5e95\u5c42\u903b\u8f91\u7684\u7406\u89e3\u548c\u751f\u4ea7\u6545\u969c\u5904\u7406\u7684\u5e94\u53d8\u80fd\u529b\u3002<\/p>\n<h3>MySQL\u81ea\u589eID\u7528\u5b8c\u4e86\u4f1a\u53d1\u751f\u4ec0\u4e48&#xff1f;<\/h3>\n<p>MySQL \u7684\u81ea\u589e ID&#xff08;AUTO_INCREMENT&#xff09;\u662f\u6307MySQL\u81ea\u52a8\u751f\u6210\u552f\u4e00\u6807\u8bc6\u7b26\u3002\u5f53\u4e00\u5f20\u8868\u7684\u81ea\u589e\u5217&#xff08;\u901a\u5e38\u4e3a\u4e3b\u952e&#xff09;\u8fbe\u5230\u4e86\u8be5\u5217\u6570\u636e\u7c7b\u578b\u6240\u80fd\u8868\u793a\u7684\u6700\u5927\u503c\u65f6&#xff0c;\u518d\u63d2\u5165\u65b0\u8bb0\u5f55\u65f6&#xff0c;MySQL \u65e0\u6cd5\u518d\u4e3a\u4e0b\u4e00\u884c\u751f\u6210\u4e00\u4e2a\u66f4\u5927\u7684\u552f\u4e00\u503c&#xff0c;\u6b64\u65f6\u5c31\u4f1a\u53d1\u751f\u201c\u81ea\u589e ID \u7528\u5b8c\u4e86\u201d\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u5e38\u8bf4\u7684\u81ea\u589e ID \u5206\u4e24\u79cd\u573a\u666f\u3002\u7b2c\u4e00\u79cd\u662f\u6211\u4eec\u663e\u5f0f\u7ed9\u8868\u8bbe\u7f6e\u4e86\u81ea\u589e\u4e3b\u952e&#xff0c;\u6bd4\u5982\u7528 INT \u7c7b\u578b&#xff0c;\u6709\u7b26\u53f7\u7684\u6700\u5927\u503c\u662f 2147483647&#xff0c;\u4e5f\u5c31\u662f\u7ea6 21 \u4ebf&#xff0c;\u65e0\u7b26\u53f7\u7684\u662f 4294967295 \u7ea6 42 \u4ebf&#xff0c;\u5f53\u81ea\u589e\u503c\u8fbe\u5230\u8fd9\u4e2a\u4e0a\u9650\u540e&#xff0c;\u4e0b\u6b21\u63d2\u5165\u751f\u6210\u7684 ID \u8fd8\u662f\u8fd9\u4e2a\u6700\u5927\u503c&#xff0c;\u56e0\u4e3a\u6570\u636e\u7c7b\u578b\u6ca1\u6cd5\u518d\u5b58\u66f4\u5927\u7684\u6570\u4e86&#xff0c;\u6b64\u65f6\u5c31\u4f1a\u89e6\u53d1\u4e3b\u952e\u7ea6\u675f&#xff0c;\u62a5Duplicate entry &#039;xxx&#039; for key &#039;PRIMARY&#039;\u7684\u9519\u8bef&#xff0c;\u76f4\u63a5\u5199\u4e0d\u8fdb\u53bb\u6570\u636e\u3002\u7b2c\u4e8c\u79cd\u662f\u8868\u6ca1\u6709\u8bbe\u4e3b\u952e&#xff0c;InnoDB \u5f15\u64ce\u4f1a\u81ea\u52a8\u751f\u6210\u4e00\u4e2a 6 \u5b57\u8282\u7684\u9690\u5f0f row_id \u4f5c\u4e3a\u4e3b\u952e&#xff0c;\u8fd9\u4e2a row_id \u7684\u6700\u5927\u503c\u662f 2^48-1&#xff0c;\u7528\u5b8c\u4e4b\u540e\u4f1a\u76f4\u63a5\u5f52\u96f6\u91cd\u65b0\u9012\u589e&#xff0c;\u65b0\u63d2\u5165\u7684\u6570\u636e\u4f1a\u8986\u76d6\u540c row_id \u7684\u65e7\u6570\u636e&#xff0c;\u8fd9\u4e2a\u5751\u975e\u5e38\u591a\u5f00\u53d1\u8005\u90fd\u4e0d\u77e5\u9053&#xff0c;\u751f\u4ea7\u4e0a\u8e29\u4e2d\u5c31\u662f\u6570\u636e\u4e22\u5931\u7684\u5927\u4e8b\u6545\u3002<\/p>\n<p>MySQL\u6574\u5f62\u6570\u636e\u53d6\u503c\u8303\u56f4\u5982\u4e0b\u56fe\u8868&#xff1a;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260301105707-69a41b83d63c7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u68b3\u7406\u903b\u8f91\u5206\u9636\u6bb5\u56de\u7b54&#xff0c;\u6761\u7406\u66f4\u6e05\u6670<\/h3>\n<p>\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u522b\u4e00\u4e0a\u6765\u5c31\u8bf4\u6362 BIGINT&#xff0c;\u8fd9\u6837\u4e00\u542c\u5c31\u611f\u89c9\u662f\u80cc\u7684\u516b\u80a1\u6587&#xff0c;\u4e0d\u80fd\u4f53\u73b0\u9762\u8bd5\u8005\u5e94\u5bf9\u95ee\u9898\u7684\u903b\u8f91\u601d\u7ef4\u80fd\u529b&#xff0c;\u5efa\u8bae\u6309\u6545\u969c\u5904\u7406\u7684\u4f18\u5148\u7ea7\u5206\u9636\u6bb5\u8bf4&#xff0c;\u8fd9\u6837\u624d\u80fd\u4f53\u73b0\u4f60\u7684\u95ee\u9898\u5904\u7406\u903b\u8f91\u3002<\/p>\n<h4>\u7b2c1\u9636\u6bb5&#xff1a;\u5e94\u6025\u5904\u7406&#xff0c;\u8ba9\u4e1a\u52a1\u5148\u6062\u590d<\/h4>\n<p>\u5982\u679c\u7ebf\u4e0a\u5df2\u7ecf\u51fa\u73b0 ID \u8017\u5c3d\u5bfc\u81f4\u5199\u5165\u5931\u8d25\u7684\u6545\u969c&#xff0c;\u5f53\u52a1\u4e4b\u6025\u662f\u5148\u6062\u590d\u4e1a\u52a1\u3002\u5982\u679c\u4f60\u7684\u8868\u5b58\u5728\u5927\u91cf\u5df2\u5220\u9664\u7684\u5386\u53f2\u6570\u636e&#xff0c;ID \u7a7a\u95f4\u6709\u4e0d\u5c11\u7a7a\u95f2\u6bb5&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u6267\u884cALTER TABLE your_table AUTO_INCREMENT &#061; &lt;max_id &#043; 1&gt;&#xff0c;\u590d\u7528\u4e4b\u524d\u88ab\u91ca\u653e\u7684 ID \u7a7a\u95f4&#xff0c;\u51e0\u5206\u949f\u5c31\u80fd\u6062\u590d\u5199\u5165\u80fd\u529b\u3002\u518d\u5b9e\u9645\u64cd\u4f5c\u524d\u4e00\u5b9a\u8981\u5148\u6838\u5bf9\u5f53\u524d\u8868\u5185\u6700\u5927 ID \u548c\u5df2\u5b58\u5728\u7684 ID \u8303\u56f4&#xff0c;\u907f\u514d\u51fa\u73b0 ID \u51b2\u7a81&#xff0c;\u8fd9\u4e2a\u65b9\u6848\u53ea\u80fd\u4e34\u65f6\u6551\u6025&#xff0c;\u4e0d\u80fd\u4f5c\u4e3a\u957f\u671f\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h4>\u7b2c2\u9636\u6bb5&#xff1a;\u77ed\u671f\u6269\u5c55&#xff0c;\u5f7b\u5e95\u89e3\u51b3\u5f53\u524d\u95ee\u9898<\/h4>\n<p>\u5e94\u6025\u4e4b\u540e\u8981\u505a\u6839\u56e0\u4fee\u590d&#xff0c;90% \u7684\u573a\u666f\u90fd\u662f\u5f53\u521d\u5efa\u8868\u5077\u61d2\u7528\u4e86 INT \u7c7b\u578b&#xff0c;\u76f4\u63a5\u628a ID \u5b57\u6bb5\u5347\u7ea7\u4e3a BIGINT UNSIGNED \u5c31\u53ef\u4ee5\u4e86&#xff0c;SQL \u8bed\u53e5\u662fALTER TABLE your_table MODIFY id BIGINT UNSIGNED AUTO_INCREMENT&#xff0c;\u5347\u7ea7\u4e4b\u540e ID \u8303\u56f4\u76f4\u63a5\u4ece 42 \u4ebf\u6269\u5c55\u5230 18446744073709551615&#xff0c;\u4e5f\u5c31\u662f\u7ea6 1800 \u4ebf\u4ebf&#xff0c;\u54ea\u6015\u6bcf\u79d2\u5199 10 \u4e07\u6761\u6570\u636e&#xff0c;\u4e5f\u8981\u5199 5000 \u591a\u5e74\u624d\u80fd\u7528\u5b8c&#xff0c;\u666e\u901a\u4e1a\u52a1\u6839\u672c\u4e0d\u53ef\u80fd\u78b0\u5230\u4e0a\u9650\u3002<br \/>\n\u91cd\u70b9\u662f&#xff0c;\u5927\u8868\u6267\u884c ALTER \u64cd\u4f5c\u4f1a\u9501\u8868&#xff0c;\u56e0\u4e3a\u8981\u91cd\u6784\u6574\u4e2a\u805a\u96c6\u7d22\u5f15\u7684 B &#043; \u6811&#xff0c;\u6240\u6709\u6570\u636e\u9875\u90fd\u8981\u8c03\u6574&#xff0c;\u5efa\u8bae\u7528 pt-online-schema-change \u8fd9\u7c7b\u5728\u7ebf\u53d8\u66f4\u5de5\u5177&#xff0c;\u907f\u514d\u957f\u65f6\u95f4\u9501\u8868\u5f71\u54cd\u7ebf\u4e0a\u4e1a\u52a1&#xff0c;\u8fd8\u8981\u63d0\u524d\u68c0\u67e5\u4ee3\u7801\u91cc\u6709\u6ca1\u6709\u9690\u5f0f\u5c06 ID \u8f6c\u4e3a INT \u7c7b\u578b\u7684\u903b\u8f91&#xff0c;\u6bd4\u5982\u540e\u7aef\u7528 Integer\u3001\u524d\u7aef\u7528 Number \u63a5\u6536\u7684\u8bdd\u90fd\u4f1a\u51fa\u73b0\u6ea2\u51fa\u95ee\u9898\u3002<\/p>\n<h4>\u7b2c3\u9636\u6bb5&#xff1a;\u957f\u671f\u67b6\u6784\u4f18\u5316&#xff0c;\u9002\u914d\u5206\u5e03\u5f0f\u573a\u666f<\/h4>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u89c4\u6a21\u5df2\u7ecf\u5927\u5230 BIGINT \u90fd\u53ef\u80fd\u4e0d\u591f\u7528&#xff08;\u4e00\u822c\u662f\u5206\u5e03\u5f0f\u9ad8\u5e76\u53d1\u573a\u666f&#xff0c;\u5355\u8868\u5355\u5e93\u4e0d\u591f\u7528&#xff09;&#xff0c;\u5c31\u8981\u4ece\u67b6\u6784\u5c42\u9762\u8c03\u6574\u4e86\u3002<\/p>\n<ul>\n<li>\u53ef\u4ee5\u91c7\u7528\u5206\u6bb5 ID \u751f\u6210\u7b56\u7565&#xff0c;\u628a ID \u7a7a\u95f4\u6309\u4e1a\u52a1\u6a21\u5757\u5212\u5206\u6210\u591a\u4e2a\u6bb5&#xff0c;\u6bcf\u4e2a\u6bb5\u72ec\u7acb\u7ba1\u7406\u81ea\u589e ID&#xff0c;\u4e0d\u7528\u6bcf\u6b21\u751f\u6210 ID \u90fd\u8bf7\u6c42\u6570\u636e\u5e93&#xff0c;\u6027\u80fd\u66f4\u9ad8&#xff1b;<\/li>\n<li>\u4e5f\u53ef\u4ee5\u5f15\u5165\u5206\u5e03\u5f0f ID \u751f\u6210\u670d\u52a1&#xff0c;\u6bd4\u5982\u96ea\u82b1\u7b97\u6cd5&#xff0c;\u751f\u6210\u7684 64 \u4f4d ID \u81ea\u5e26\u65f6\u95f4\u6233\u3001\u673a\u5668\u6807\u8bc6\u548c\u5e8f\u5217\u53f7&#xff0c;\u5929\u7136\u6709\u5e8f&#xff0c;\u63d2\u5165\u7684\u65f6\u5019\u4e0d\u4f1a\u5bfc\u81f4 B &#043; \u6811\u9891\u7e41\u9875\u5206\u88c2&#xff0c;\u6027\u80fd\u6bd4 UUID \u9ad8\u5f88\u591a&#xff1b;<\/li>\n<li>\u5982\u679c\u4e1a\u52a1\u5df2\u7ecf\u5230\u4e86\u5355\u5e93\u74f6\u9888&#xff0c;\u4e5f\u53ef\u4ee5\u505a\u5206\u5e93\u5206\u8868&#xff0c;\u628a\u6570\u636e\u6c34\u5e73\u62c6\u5206\u5230\u591a\u4e2a\u5b9e\u4f8b&#xff0c;\u6bcf\u4e2a\u5206\u7247\u72ec\u7acb\u7ba1\u7406\u81ea\u589e ID&#xff0c;\u5f7b\u5e95\u89c4\u907f\u5355\u8868 ID \u8017\u5c3d\u7684\u95ee\u9898&#xff0c;\u4f46\u662f\u5206\u5e93\u5206\u8868\u4f1a\u589e\u52a0\u8fd0\u7ef4\u590d\u6742\u6e21&#xff0c;\u8981\u6839\u636e\u4e1a\u52a1\u5b9e\u9645\u89c4\u6a21\u9009\u62e9&#xff0c;\u4e0d\u8981\u8fc7\u5ea6\u8bbe\u8ba1\u3002<\/li>\n<li>\u6700\u540e\u8fd8\u662f\u63d0\u4e00\u4e0b UUID \u8fd9\u4e2a\u65b9\u6848&#xff0c;\u867d\u7136 UUID \u51e0\u4e4e\u4e0d\u53ef\u80fd\u8017\u5c3d&#xff0c;\u4f46\u662f\u5b83\u662f\u65e0\u5e8f\u7684&#xff0c;\u800c\u4e14\u957f\u5ea6\u662f 36 \u5b57\u8282&#xff0c;\u6bd4 BIGINT \u5927\u5f88\u591a&#xff0c;\u63d2\u5165\u7684\u65f6\u5019\u4f1a\u5bfc\u81f4\u805a\u96c6\u7d22\u5f15\u9891\u7e41\u9875\u5206\u88c2&#xff0c;\u67e5\u8be2\u6027\u80fd\u4e0b\u964d 20% \u4ee5\u4e0a&#xff0c;\u53ea\u9002\u5408\u4f4e\u5e76\u53d1\u7684\u975e\u6838\u5fc3\u573a\u666f\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260301105707-69a41b83f17e9.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h3>\u9884\u9632\u624d\u662f\u6700\u597d\u7684\u89e3\u51b3\u65b9\u6848<\/h3>\n<p>\u5176\u5b9e\u5982\u679c\u51fa\u73b0\u81ea\u589e ID \u8017\u5c3d\u7684\u95ee\u9898&#xff0c;\u4e00\u822c\u8981\u4e48\u662f\u524d\u671f\u8bbe\u8ba1\u4e0d\u89c4\u8303\u5bfc\u81f4\u7684&#xff0c;\u8981\u4e48\u662f\u4e1a\u52a1\u786e\u5b9e\u589e\u957f\u8fc7\u5feb\u4e0e\u5f53\u521d\u8bbe\u8ba1\u6709\u5f88\u5927\u5dee\u5f02\u3002\u6240\u4ee5\u505a\u8bbe\u8ba1\u7684\u65f6\u5019\u53ef\u4ee5\u505a\u9884\u9632\u6027\u8bbe\u8ba1&#xff0c;\u6240\u4ee5\u9884\u9632\u624d\u662f\u6700\u597d\u5f97\u89e3\u51b3\u529e\u6cd5\u3002<\/p>\n<ul>\n<li>\u5982\u679c\u5efa\u8868\u7684\u65f6\u5019\u76f4\u63a5\u7528 BIGINT UNSIGNED \u5c31\u53ef\u4ee5\u907f\u514d 99% \u7684\u95ee\u9898&#xff0c;\u4e0d\u8981\u4e3a\u4e86\u7701 4 \u4e2a\u5b57\u8282\u7684\u5b58\u50a8\u7a7a\u95f4\u8e29\u8fd9\u4e48\u5927\u7684\u5751\u3002<\/li>\n<li>\u53e6\u5916\u52a0\u4e0a ID \u4f7f\u7528\u7387\u76d1\u63a7&#xff0c;\u5f53 ID \u4f7f\u7528\u7387\u8d85\u8fc7 70% \u7684\u65f6\u5019\u5c31\u89e6\u53d1\u544a\u8b66&#xff0c;\u63d0\u524d\u5904\u7406&#xff0c;\u4e0d\u8981\u7b49\u6545\u969c\u53d1\u751f\u4e86\u624d\u6551\u706b\u3002\u8fd8\u6709\u4e0d\u7528\u7ea0\u7ed3\u81ea\u589e ID \u662f\u5426\u8fde\u7eed&#xff0c;MySQL \u672c\u8eab\u5c31\u4e0d\u4fdd\u8bc1\u81ea\u589e ID \u8fde\u7eed&#xff0c;\u4e8b\u52a1\u56de\u6eda\u3001\u6279\u91cf\u63d2\u5165\u9884\u7559 ID \u90fd\u4f1a\u5bfc\u81f4 ID \u8df3\u53d8&#xff0c;\u53ea\u8981\u552f\u4e00\u5c31\u6ca1\u95ee\u9898&#xff0c;\u5b9a\u671f\u5f52\u6863\u51b7\u6570\u636e\u4e5f\u53ef\u4ee5\u51cf\u5c11 ID \u7684\u6d88\u8017\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260301105709-69a41b85ba0c9.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5982\u679c\u9762\u8bd5\u65f6\u5019\u56de\u7b54\u4e00\u5b9a\u8981\u6709\u903b\u8f91&#xff0c;\u9762\u8bd5\u7684\u65f6\u5019\u6309\u300c\u5e94\u6025\u6b62\u8840\u2192\u77ed\u671f\u4fee\u590d\u2192\u957f\u671f\u67b6\u6784\u4f18\u5316\u2192\u4e8b\u524d\u9884\u9632\u300d\u7684\u903b\u8f91\u56de\u7b54&#xff0c;\u6761\u7406\u6e05\u6670&#xff0c;\u9762\u8bd5\u5b98\u5c31\u77e5\u9053\u4f60\u4e0d\u662f\u53ea\u4f1a\u80cc\u516b\u80a1&#xff0c;\u662f\u771f\u7684\u6709\u751f\u4ea7\u6545\u969c\u5904\u7406\u7ecf\u9a8c&#xff0c;\u5c31\u8fd9\u4e00\u5b9a\u5c31\u6bd4\u5927\u90e8\u5206\u5019\u9009\u4eba\u5f3a\u4e86&#xff0c;\u7ed9\u4eba\u4e00\u79cd\u80fd\u6297\u4e8b\u7684\u611f\u89c9\u3002<\/p>\n<p>\u4e0d\u77e5\u9053\u4f60\u4eec\u9047\u5230\u8fc7\u4ec0\u4e48\u6709\u610f\u601d\u7684\u9762\u8bd5\u95ee\u9898\u5462&#xff1f;\u53ef\u4ee5\u8bc4\u8bba\u533a\u7559\u8a00\u8bf4\u8bf4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf4\u5b9e\u8bdd&#xff0c;\u5728\u6b64\u4e4b\u524d\u6211\u4e5f\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u201cMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e?\u201d&#xff0c;\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u5e73\u65f6\u5efa\u8868\u90fd\u76f4\u63a5\u7528 BIGINT&#xff0c;\u6839\u672c\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u4e0d\u8fc7\u65e2\u7136\u770b\u5230\u4e86&#xff0c;\u90a3\u6211\u4eec\u5c31\u597d\u597d\u601d\u8003\u4e0b\u3002\u9996\u5148\u6211\u4eec\u6765\u62c6\u63a5\u4e0b\u9762\u8bd5\u5b98\u95ee\u8fd9\u4e2a\u95ee\u9898\u7684\u76ee\u7684&#xff0c;\u6216\u8005\u8bf4\u4ed6\u60f3\u8003\u5bdf\u4ec0\u4e48&#xff1f;\u6211\u89c9\u5f97\u4ed6\u5927\u6982\u662f\u60f3\u8003\u5bdf\u4f60\u5bf9 MySQL \u81ea\u589eID\u5e95\u5c42\u903b\u8f91\u7684\u7406\u89e3\u548c\u751f\u4ea7\u6545\u969c\u5904\u7406\u7684\u5e94\u53d8\u80fd\u529b\u3002<br \/>\nMySQL\u81ea\u589eID\u7528\u5b8c\u4e86\u4f1a\u53d1\u751f\u4ec0\u4e48&#xff1f;<br \/>\nMySQL \u7684\u81ea\u589e<\/p>\n","protected":false},"author":2,"featured_media":79309,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[114,292,323,100,4949],"topic":[],"class_list":["post-79312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-mysql","tag-292","tag-323","tag-100","tag-4949"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \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\/79312.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u8bf4\u5b9e\u8bdd&#xff0c;\u5728\u6b64\u4e4b\u524d\u6211\u4e5f\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u201cMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e?\u201d&#xff0c;\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u5e73\u65f6\u5efa\u8868\u90fd\u76f4\u63a5\u7528 BIGINT&#xff0c;\u6839\u672c\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u4e0d\u8fc7\u65e2\u7136\u770b\u5230\u4e86&#xff0c;\u90a3\u6211\u4eec\u5c31\u597d\u597d\u601d\u8003\u4e0b\u3002\u9996\u5148\u6211\u4eec\u6765\u62c6\u63a5\u4e0b\u9762\u8bd5\u5b98\u95ee\u8fd9\u4e2a\u95ee\u9898\u7684\u76ee\u7684&#xff0c;\u6216\u8005\u8bf4\u4ed6\u60f3\u8003\u5bdf\u4ec0\u4e48&#xff1f;\u6211\u89c9\u5f97\u4ed6\u5927\u6982\u662f\u60f3\u8003\u5bdf\u4f60\u5bf9 MySQL \u81ea\u589eID\u5e95\u5c42\u903b\u8f91\u7684\u7406\u89e3\u548c\u751f\u4ea7\u6545\u969c\u5904\u7406\u7684\u5e94\u53d8\u80fd\u529b\u3002 MySQL\u81ea\u589eID\u7528\u5b8c\u4e86\u4f1a\u53d1\u751f\u4ec0\u4e48&#xff1f; MySQL \u7684\u81ea\u589e\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/79312.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-01T10:57:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260301105707-69a41b83d63c7.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/79312.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/79312.html\",\"name\":\"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-03-01T10:57:12+00:00\",\"dateModified\":\"2026-03-01T10:57:12+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/79312.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/79312.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/79312.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/79312.html","og_locale":"zh_CN","og_type":"article","og_title":"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u8bf4\u5b9e\u8bdd&#xff0c;\u5728\u6b64\u4e4b\u524d\u6211\u4e5f\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u201cMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e?\u201d&#xff0c;\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u5e73\u65f6\u5efa\u8868\u90fd\u76f4\u63a5\u7528 BIGINT&#xff0c;\u6839\u672c\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u4e0d\u8fc7\u65e2\u7136\u770b\u5230\u4e86&#xff0c;\u90a3\u6211\u4eec\u5c31\u597d\u597d\u601d\u8003\u4e0b\u3002\u9996\u5148\u6211\u4eec\u6765\u62c6\u63a5\u4e0b\u9762\u8bd5\u5b98\u95ee\u8fd9\u4e2a\u95ee\u9898\u7684\u76ee\u7684&#xff0c;\u6216\u8005\u8bf4\u4ed6\u60f3\u8003\u5bdf\u4ec0\u4e48&#xff1f;\u6211\u89c9\u5f97\u4ed6\u5927\u6982\u662f\u60f3\u8003\u5bdf\u4f60\u5bf9 MySQL \u81ea\u589eID\u5e95\u5c42\u903b\u8f91\u7684\u7406\u89e3\u548c\u751f\u4ea7\u6545\u969c\u5904\u7406\u7684\u5e94\u53d8\u80fd\u529b\u3002 MySQL\u81ea\u589eID\u7528\u5b8c\u4e86\u4f1a\u53d1\u751f\u4ec0\u4e48&#xff1f; MySQL \u7684\u81ea\u589e","og_url":"https:\/\/www.wsisp.com\/helps\/79312.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-03-01T10:57:12+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/03\/20260301105707-69a41b83d63c7.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/79312.html","url":"https:\/\/www.wsisp.com\/helps\/79312.html","name":"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-03-01T10:57:12+00:00","dateModified":"2026-03-01T10:57:12+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/79312.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/79312.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/79312.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u9762\u8bd5\u5b98\u95eeMySQL \u81ea\u589e ID \u7528\u5b8c\u4e86\u600e\u4e48\u529e\uff0c\u8be5\u5982\u4f55\u56de\u7b54\u5462\uff1f"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/79312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=79312"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/79312\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/79309"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=79312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=79312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=79312"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=79312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}