{"id":31433,"date":"2023-05-23T19:06:48","date_gmt":"2023-05-23T11:06:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=31433"},"modified":"2023-07-31T00:07:51","modified_gmt":"2023-07-30T16:07:51","slug":"mysql%e7%9a%84%e8%87%aa%e5%a2%9eid%e7%94%a8%e5%ae%8c%e4%ba%86%e6%80%8e%e4%b9%88%e5%8a%9e","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/31433.html","title":{"rendered":"MySQL\u7684\u81ea\u589eID\u7528\u5b8c\u4e86\u600e\u4e48\u529e"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>MySQL\u7684\u81ea\u589eID\u7528\u5b8c\u4e86\u7684\u89e3\u51b3\u529e\u6cd5\uff1a1\u3001\u8c03\u6574\u81ea\u589eID\u7684\u6570\u636e\u7c7b\u578b\uff1b2\u3001\u91cd\u65b0\u8bbe\u7f6e\u81ea\u589eID\u7684\u8d77\u59cb\u503c\uff1b3\u3001\u5206\u533a\u8868\uff08Partitioning\uff09\uff1b4\u3001\u91cd\u65b0\u8bbe\u8ba1\u8868\u7ed3\u6784\u3002MySQL\u662f\u4e00\u79cd\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5173\u7cfb\u6570\u636e\u5e93\u5c06\u6570\u636e\u4fdd\u5b58\u5728\u4e0d\u540c\u7684\u8868\u4e2d\uff0c\u800c\u4e0d\u662f\u5c06\u6240\u6709\u6570\u636e\u653e\u5728\u4e00\u4e2a\u5927\u4ed3\u5e93\u5185\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-31435\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u95ee\u7b54\u6a21\u677f680-\u00d7-421-\u50cf\u7d20-2023-05-23T181157.908-1.jpg?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u95ee\u7b54\u6a21\u677f680-\u00d7-421-\u50cf\u7d20-2023-05-23T181157.908-1.jpg?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/05\/\u95ee\u7b54\u6a21\u677f680-\u00d7-421-\u50cf\u7d20-2023-05-23T181157.908-1-300x186.jpg 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">\u4e00\u3001MySQL\u7684\u81ea\u589eID\u7528\u5b8c\u4e86\u7684\u89e3\u51b3\u529e\u6cd5<\/h2>\n<h3 class=\"wp-block-heading\">1\u3001\u8c03\u6574\u81ea\u589eID\u7684\u6570\u636e\u7c7b\u578b<\/h3>\n<p>\u5982\u679c\u4f7f\u7528\u7684\u662f\u6574\u6570\u7c7b\u578b\u7684\u81ea\u589eID\uff0c\u53ef\u4ee5\u8003\u8651\u5c06\u5176\u4fee\u6539\u4e3a\u66f4\u5927\u7684\u6574\u6570\u7c7b\u578b\uff0c\u5982\u5c06INT\u7c7b\u578b\u6539\u4e3aBIGINT\u7c7b\u578b\u3002\u8fd9\u6837\u53ef\u4ee5\u6269\u5c55ID\u7684\u8303\u56f4\uff0c\u5ef6\u957f\u81ea\u589eID\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n<h3 class=\"wp-block-heading\">2\u3001\u91cd\u65b0\u8bbe\u7f6e\u81ea\u589eID\u7684\u8d77\u59cb\u503c<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u8bed\u53e5\u91cd\u65b0\u8bbe\u7f6e\u81ea\u589eID\u7684\u8d77\u59cb\u503c\u3002\u901a\u8fc7\u4fee\u6539AUTO_INCREMENT\u5c5e\u6027\uff0c\u5c06\u81ea\u589eID\u7684\u8d77\u59cb\u503c\u8bbe\u4e3a\u4e00\u4e2a\u8f83\u5927\u7684\u6570\u503c\uff0c\u4ee5\u7ee7\u7eed\u81ea\u589eID\u7684\u4f7f\u7528\u3002<\/p>\n<h3 class=\"wp-block-heading\">3\u3001\u5206\u533a\u8868\uff08Partitioning\uff09<\/h3>\n<p>\u5982\u679c\u8868\u4e2d\u7684\u81ea\u589eID\u8fbe\u5230\u4e0a\u9650\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528MySQL\u7684\u5206\u533a\u8868\u529f\u80fd\u3002\u5206\u533a\u8868\u5c06\u4e00\u4e2a\u5927\u8868\u62c6\u5206\u6210\u591a\u4e2a\u5b50\u8868\uff0c\u6bcf\u4e2a\u5b50\u8868\u90fd\u6709\u72ec\u7acb\u7684\u81ea\u589eID\u8303\u56f4\uff0c\u53ef\u4ee5\u7ee7\u7eed\u81ea\u589eID\u7684\u4f7f\u7528\u3002\u8fd9\u6837\u53ef\u4ee5\u5c06ID\u7684\u9650\u5236\u6269\u5c55\u5230\u66f4\u5927\u7684\u8303\u56f4\u3002<\/p>\n<h3 class=\"wp-block-heading\">4\u3001\u91cd\u65b0\u8bbe\u8ba1\u8868\u7ed3\u6784<\/h3>\n<p>\u5982\u679c\u81ea\u589eID\u7528\u5b8c\u662f\u56e0\u4e3a\u8bbe\u8ba1\u4e0d\u5408\u7406\u6216\u8005\u6570\u636e\u91cf\u8d85\u51fa\u9884\u671f\uff0c\u53ef\u4ee5\u8003\u8651\u91cd\u65b0\u8bbe\u8ba1\u8868\u7ed3\u6784\u3002\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5c11\u6570\u6807\u8bc6\u7b26\u66ff\u4ee3\u81ea\u589eID\uff0c\u5982UUID\u6216\u96ea\u82b1\u7b97\u6cd5\u751f\u6210\u7684\u5168\u5c40\u5c11\u6570ID\u3002\u8fd9\u4e9b\u5c11\u6570\u6807\u8bc6\u7b26\u4e0d\u4f9d\u8d56\u4e8e\u81ea\u589e\uff0c\u53ef\u4ee5\u89e3\u51b3\u81ea\u589eID\u7528\u5b8c\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"MySQL\u7684\u81ea\u589eID\u7528\u5b8c\u4e86\u7684\u89e3\u51b3\u529e\u6cd5\uff1a1\u3001\u8c03\u6574\u81ea\u589eID\u7684\u6570\u636e\u7c7b\u578b\uff1b2\u3001\u91cd\u65b0\u8bbe\u7f6e\u81ea\u589eID\u7684\u8d77\u59cb\u503c\uff1b3\u3001\u5206\u533a\u8868\uff08P 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