{"id":200020,"date":"2025-05-06T09:37:35","date_gmt":"2025-05-06T01:37:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200020\/"},"modified":"2025-05-06T09:37:35","modified_gmt":"2025-05-06T01:37:35","slug":"mysql%e4%b8%ad%e6%80%a7%e5%88%ab%e5%ad%97%e6%ae%b5%e6%9c%80%e9%80%82%e5%90%88%e4%bd%bf%e7%94%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200020\/","title":{"rendered":"MySQL\u4e2d\u6027\u522b\u5b57\u6bb5\u6700\u9002\u5408\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

MySQL\u4e2d\u6027\u522b\u5b57\u6bb5\u6700\u9002\u5408\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

\u5728MySQL\u4e2d\uff0c\u6700\u9002\u5408\u7528\u4e8e\u6027\u522b\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u662fENUM\u679a\u4e3e\u7c7b\u578b\u3002ENUM\u679a\u4e3e\u7c7b\u578b\u662f\u4e00\u79cd\u5141\u8bb8\u5b9a\u4e49\u4e00\u7ec4\u53ef\u80fd\u53d6\u503c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6027\u522b\u5b57\u6bb5\u9002\u5408\u4f7f\u7528ENUM\u7c7b\u578b\u662f\u56e0\u4e3a\u6027\u522b\u901a\u5e38\u4ec5\u6709\u4e24\u4e2a\u53d6\u503c\uff0c\u5373\u7537\u548c\u5973\u3002<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5982\u4f55\u5728MySQL\u4e2d\u521b\u5efa\u4e00\u4e2a\u6027\u522b\u5b57\u6bb5\u5e76\u4f7f\u7528ENUM\u679a\u4e3e\u7c7b\u578b\u5b58\u50a8\u6027\u522b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \u9996\u5148\uff0c\u5728MySQL\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3ausers<\/code>\u7684\u8868\u683c\uff0c\u5305\u62ecid<\/code>\u3001name<\/code>\u548cgender<\/code>\u5b57\u6bb5\uff1a<\/li>\n<\/ol>\n
    CREATE TABLE users (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(50) NOT NULL,\n    gender ENUM('\u7537', '\u5973') NOT NULL\n);<\/pre>\n
      \n
    1. \u63a5\u4e0b\u6765\uff0c\u63d2\u5165\u4e00\u4e9b\u793a\u4f8b\u6570\u636e\u5230users<\/code>\u8868\u683c\u4e2d\uff1a<\/li>\n<\/ol>\n
      INSERT INTO users (name, gender) VALUES ('\u5f20\u4e09', '\u7537');\nINSERT INTO users (name, gender) VALUES ('\u674e\u56db', '\u5973');<\/pre>\n
        \n
      1. \u6700\u540e\uff0c\u67e5\u8be2users<\/code>\u8868\u683c\u4e2d\u7684\u6570\u636e\uff0c\u67e5\u770b\u6027\u522b\u5b57\u6bb5\u7684\u5b58\u50a8\u60c5\u51b5\uff1a<\/li>\n<\/ol>\n
        SELECT * FROM users;<\/pre>\n
        \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728MySQL\u4e2d\u4f7f\u7528ENUM\u679a\u4e3e\u7c7b\u578b\u6765\u5b58\u50a8\u6027\u522b\u5b57\u6bb5\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6027\u522b\u5b57\u6bb5\u53ea\u80fd\u5b58\u50a8\u9884\u5b9a\u4e49\u7684\u53d6\u503c\uff0c\u907f\u514d\u4e86\u65e0\u6548\u7684\u6027\u522b\u4fe1\u606f\u7684\u8f93\u5165\u3002ENUM\u679a\u4e3e\u7c7b\u578b\u7684\u4f7f\u7528\u4e5f\u6709\u52a9\u4e8e\u63d0\u9ad8\u6570\u636e\u7684\u89c4\u8303\u6027\u548c\u4e00\u81f4\u6027\uff0c\u4f7f\u6570\u636e\u5e93\u64cd\u4f5c\u66f4\u52a0\u5b89\u5168\u548c\u6709\u6548\u3002<\/p>\n
        \u603b\u800c\u8a00\u4e4b\uff0c\u5bf9\u4e8e\u53ea\u6709\u4e24\u4e2a\u53ef\u80fd\u53d6\u503c\u7684\u5b57\u6bb5\uff0c\u5982\u6027\u522b\u5b57\u6bb5\uff0c\u4f7f\u7528ENUM\u679a\u4e3e\u7c7b\u578b\u662fMySQL\u4e2d\u6700\u9002\u5408\u7684\u6570\u636e\u7c7b\u578b\u9009\u62e9\u3002<\/p>\n
        \u672c\u7bc7\u5173\u4e8e\u300aMySQL\u4e2d\u6027\u522b\u5b57\u6bb5\u6700\u9002\u5408\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
        \n
        \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        MySQL\u4e2d\u6027\u522b\u5b57\u6bb5\u6700\u9002\u5408\u4f7f\u7528\u7684...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200020","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200020"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200020\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}