{"id":33262,"date":"2023-06-06T11:17:34","date_gmt":"2023-06-06T03:17:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=33262"},"modified":"2023-07-31T00:23:45","modified_gmt":"2023-07-30T16:23:45","slug":"mysql%e4%b8%ad%e7%9a%84%e8%87%aa%e5%a2%9e%e4%b8%bb%e9%94%ae%e7%9a%84%e6%ad%a5%e9%95%bf%e6%9c%89%e5%85%b3%e7%9a%84%e5%8f%98%e9%87%8fauto_increment_increment%e4%b8%8eauto_increment_offset%e4%b8%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/33262.html","title":{"rendered":"MySQL\u4e2d\u7684\u81ea\u589e\u4e3b\u952e\u7684\u6b65\u957f\u6709\u5173\u7684\u53d8\u91cfAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET\u4e3a\u4ec0\u4e48\u662f\u5168\u5c40\u53d8\u91cf\uff0c\u800c\u4e0d\u662f\u8868\u7ef4\u5ea6\u7684"},"content":{"rendered":"
\n

\u56e0\u4e3aMySQL\u4e2d\u7684\u548c\u81ea\u589e\u4e3b\u952e\u7684\u6b65\u957f\u6709\u5173\u7684\u53d8\u91cf\uff1aAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET\u662f\u6709\u9700\u6c42\u624d\u6709\u5b9e\u73b0\u3002\u8868\u7ef4\u5ea6\u4e0a\u7684\u8fd9\u79cd\u529f\u80fd\u6ca1\u4ec0\u4e48\u7528\u5904.\u5f53M-M\u67b6\u6784\u65f6. \u8bbe\u7f6eAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET,\u662f\u51cf\u5c11\u4e3b\u952e\u51b2\u7a81\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n<\/blockquote>\n

\n
\"\"<\/figure>\n<\/div>\n

\u4e00\u3001MySQL\u4e2d\u7684\u81ea\u589e\u4e3b\u952e\u7684\u6b65\u957f\u6709\u5173\u7684\u53d8\u91cfAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET<\/strong><\/h2>\n

\u56e0\u4e3aMySQL\u4e2d\u7684\u548c\u81ea\u589e\u4e3b\u952e\u7684\u6b65\u957f\u6709\u5173\u7684\u53d8\u91cf\uff1aAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET\u662f\u6709\u9700\u6c42\u624d\u6709\u5b9e\u73b0\u3002\u8868\u7ef4\u5ea6\u4e0a\u7684\u8fd9\u79cd\u529f\u80fd\u6ca1\u4ec0\u4e48\u7528\u5904.\u5f53M-M\u67b6\u6784\u65f6. \u8bbe\u7f6eAUTO_INCREMENT_INCREMENT\u4e0eAUTO_INCREMENT_OFFSET,\u662f\u51cf\u5c11\u4e3b\u952e\u51b2\u7a81\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n

\u5728 MySQL \u4e2d\uff0c\u5f53\u4e3b\u952e\u5b9a\u4e49\u4e3a\u81ea\u589e\u957f\u540e\uff0c\u8fd9\u4e2a\u4e3b\u952e\u7684\u503c\u5c31\u4e0d\u518d\u9700\u8981\u7528\u6237\u8f93\u5165\u6570\u636e\u4e86\uff0c\u800c\u7531\u6570\u636e\u5e93\u7cfb\u7edf\u6839\u636e\u5b9a\u4e49\u81ea\u52a8\u8d4b\u503c\u3002\u6bcf\u589e\u52a0\u4e00\u6761\u8bb0\u5f55\uff0c\u4e3b\u952e\u4f1a\u81ea\u52a8\u4ee5\u76f8\u540c\u7684\u6b65\u957f\u8fdb\u884c\u589e\u957f\u3002<\/p>\n

\u901a\u8fc7\u7ed9\u5b57\u6bb5\u6dfb\u52a0 AUTO_INCREMENT \u5c5e\u6027\u6765\u5b9e\u73b0\u4e3b\u952e\u81ea\u589e\u957f\u3002\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

\u5b57\u6bb5\u540d \u6570\u636e\u7c7b\u578b AUTO_INCREMENT<\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cAUTO_INCREMENT \u7684\u521d\u59cb\u503c\u662f 1\uff0c\u6bcf\u65b0\u589e\u4e00\u6761\u8bb0\u5f55\uff0c\u5b57\u6bb5\u503c\u81ea\u52a8\u52a0 1\u3002<\/p>\n

\u4e00\u4e2a\u8868\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2a\u5b57\u6bb5\u4f7f\u7528 AUTO_INCREMENT \u7ea6\u675f\uff0c\u4e14\u8be5\u5b57\u6bb5\u5fc5\u987b\u6709\u5c11\u6570\u7d22\u5f15\uff0c\u4ee5\u907f\u514d\u5e8f\u53f7\u91cd\u590d\uff08\u5373\u4e3a\u4e3b\u952e\u6216\u4e3b\u952e\u7684\u4e00\u90e8\u5206\uff09\u3002<\/p>\n

AUTO_INCREMENT \u7ea6\u675f\u7684\u5b57\u6bb5\u5fc5\u987b\u5177\u5907 NOT NULL \u5c5e\u6027\u3002<\/p>\n

AUTO_INCREMENT \u7ea6\u675f\u7684\u5b57\u6bb5\u53ea\u80fd\u662f\u6574\u6570\u7c7b\u578b\uff08TINYINT\u3001SMALLINT\u3001INT\u3001BIGINT \u7b49\uff09\u3002<\/p>\n

AUTO_INCREMENT \u7ea6\u675f\u5b57\u6bb5\u7684\u6700\u5927\u503c\u53d7\u8be5\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u7ea6\u675f\uff0c\u5982\u679c\u8fbe\u5230\u4e0a\u9650\uff0cAUTO_INCREMENT \u5c31\u4f1a\u5931\u6548\u3002<\/p>\n

\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n

\u4e8c\u3001SQL\u662f\u4ec0\u4e48<\/strong><\/h2>\n

Structured Query Language<\/p>\n

\u2018SQL\u2019\u662f\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff0c\u662f\u4e00\u79cd\u7528\u6765\u64cd\u4f5c\u00a0RDBMS\u00a0\u7684\u6570\u636e\u5e93\u8bed\u8a00\uff0c\u5f53\u524d\u5173\u7cfb\u578b\u6570\u636e\u5e93\u90fd\u652f\u6301\u4f7f\u7528SQL\u8bed\u8a00\u8fdb\u884c\u64cd\u4f5c,\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u901a\u8fc7\u00a0SQL\u00a0\u64cd\u4f5c oracle,sql server,mysql,sqlite \u7b49\u7b49\u6240\u6709\u7684\u5173\u7cfb\u578b\u7684\u6570\u636e\u5e93<\/p>\n

    \n
  • SQL\u8bed\u53e5\u4e3b\u8981\u5206\u4e3a\uff1a
    DQL\uff1a\u6570\u636e\u67e5\u8be2\u8bed\u8a00\uff0c\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u67e5\u8be2\uff0c\u5982select**
    DML\uff1a\u6570\u636e\u64cd\u4f5c\u8bed\u8a00\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u589e\u52a0\u3001\u4fee\u6539\u3001\u5220\u9664\uff0c\u5982insert\u3001udpate\u3001delete**
    TPL\uff1a\u4e8b\u52a1\u5904\u7406\u8bed\u8a00\uff0c\u5bf9\u4e8b\u52a1\u8fdb\u884c\u5904\u7406\uff0c\u5305\u62ecbegin transaction\u3001commit\u3001rollback
    DCL\uff1a\u6570\u636e\u63a7\u5236\u8bed\u8a00\uff0c\u8fdb\u884c\u6388\u6743\u4e0e\u6743\u9650\u56de\u6536\uff0c\u5982grant\u3001revoke
    DDL\uff1a\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff0c\u8fdb\u884c\u6570\u636e\u5e93\u3001\u8868\u7684\u7ba1\u7406\u7b49\uff0c\u5982create\u3001drop
    CCL\uff1a\u6307\u9488\u63a7\u5236\u8bed\u8a00\uff0c\u901a\u8fc7\u63a7\u5236\u6307\u9488\u5b8c\u6210\u8868\u7684\u64cd\u4f5c\uff0c\u5982declare cursor<\/li>\n
  • \u5bf9\u4e8eweb\u7a0b\u5e8f\u5458\u6765\u8bb2\uff0c\u91cd\u70b9\u662f\u6570\u636e\u7684crud\uff08\u589e\u5220\u6539\u67e5\uff09\uff0c\u5fc5\u987b\u719f\u7ec3\u7f16\u5199DQL\u3001DML\uff0c\u80fd\u591f\u7f16\u5199DDL\u5b8c\u6210\u6570\u636e\u5e93\u3001\u8868\u7684\u64cd\u4f5c\uff0c\u5176\u5b83\u8bed\u8a00\u5982TPL\u3001DCL\u3001CCL\u4e86\u89e3\u5373\u53ef<\/li>\n
  • SQL \u662f\u4e00\u95e8\u7279\u6b8a\u7684\u8bed\u8a00,\u4e13\u95e8\u7528\u6765\u64cd\u4f5c\u5173\u7cfb\u6570\u636e\u5e93<\/li>\n
  • \u4e0d\u533a\u5206\u5927\u5c0f\u5199<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u56e0\u4e3aMySQL\u4e2d\u7684\u548c\u81ea\u589e\u4e3b\u952e\u7684\u6b65\u957f\u6709\u5173\u7684\u53d8\u91cf\uff1aAUTO_INCREMENT_INCREMENT\u4e0eAUTO_IN […]","protected":false},"author":1,"featured_media":33263,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/33262"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=33262"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/33262\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/33263"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=33262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=33262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=33262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}