{"id":200032,"date":"2025-05-06T08:51:09","date_gmt":"2025-05-06T00:51:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200032\/"},"modified":"2025-05-06T08:51:09","modified_gmt":"2025-05-06T00:51:09","slug":"mysql%e4%b8%ad%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a1%ae%e5%a4%84%e7%90%86%e5%b8%83%e5%b0%94%e5%80%bc%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200032\/","title":{"rendered":"MySQL\u4e2d\u5982\u4f55\u6b63\u786e\u5904\u7406\u5e03\u5c14\u503c\u6570\u636e"},"content":{"rendered":"

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

MySQL\u4e2d\u5982\u4f55\u6b63\u786e\u5904\u7406\u5e03\u5c14\u503c\u6570\u636e<\/h1>\n

\u6570\u636e\u5e93\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aMySQL\u4e2d\u5982\u4f55\u6b63\u786e\u5904\u7406\u5e03\u5c14\u503c\u6570\u636e\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

\u5982\u4f55\u5728MySQL\u4e2d\u6b63\u786e\u5904\u7406\u5e03\u5c14\u7c7b\u578b\u6570\u636e<\/p>\n

MySQL\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5176\u4e2d\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u5728\u6570\u636e\u5e93\u4e2d\u88ab\u8868\u793a\u4e3aTINYINT\u7c7b\u578b\uff0c\u901a\u5e38\u75280\u8868\u793aFalse\uff0c1\u8868\u793aTrue\u3002\u5728\u5904\u7406\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u65f6\uff0c\u6b63\u786e\u7684\u4f7f\u7528\u65b9\u6cd5\u80fd\u591f\u63d0\u9ad8\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5728MySQL\u4e2d\u6b63\u786e\u5904\u7406\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u521b\u5efa\u8868\u683c\u65f6\u5b9a\u4e49\u5e03\u5c14\u7c7b\u578b\u5b57\u6bb5<\/li>\n<\/ol>\n

    \u5728MySQL\u4e2d\u521b\u5efa\u8868\u683c\u65f6\uff0c\u5e94\u5f53\u660e\u786e\u6307\u5b9a\u5e03\u5c14\u7c7b\u578b\u7684\u5b57\u6bb5\u7c7b\u578b\u4e3aTINYINT\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u5305\u542b\u5e03\u5c14\u7c7b\u578b\u5b57\u6bb5\u7684\u8868\u683c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(50),\n    is_active TINYINT(1)\n);<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cis_active\u5b57\u6bb5\u88ab\u5b9a\u4e49\u4e3aTINYINT(1)\u7c7b\u578b\uff0c\u7528\u6765\u8868\u793a\u7528\u6237\u7684\u6fc0\u6d3b\u72b6\u6001\u3002<\/p>\n
      \n
    1. \u63d2\u5165\u5e03\u5c14\u7c7b\u578b\u6570\u636e<\/li>\n<\/ol>\n
      \u5728\u63d2\u5165\u6570\u636e\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u5c06\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684TINYINT\u503c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u63d2\u5165\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      INSERT INTO users (name, is_active) VALUES ('Alice', 1);<\/pre>\n
      \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u63d2\u5165\u4e86\u4e00\u6761name\u4e3a’Alice’\uff0cis_active\u4e3aTrue\u7684\u6570\u636e\u3002<\/p>\n
        \n
      1. \u67e5\u8be2\u5e03\u5c14\u7c7b\u578b\u6570\u636e<\/li>\n<\/ol>\n
        \u5728\u67e5\u8be2\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u8fc7\u6ee4\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u67e5\u8be2\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        SELECT * FROM users WHERE is_active = 1;<\/pre>\n
        \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u67e5\u8be2\u51fa\u6240\u6709is_active\u5b57\u6bb5\u4e3aTrue\u7684\u6570\u636e\u3002<\/p>\n
          \n
        1. \u66f4\u65b0\u5e03\u5c14\u7c7b\u578b\u6570\u636e<\/li>\n<\/ol>\n
          \u66f4\u65b0\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u5c06True\u548cFalse\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684TINYINT\u503c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u66f4\u65b0\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          UPDATE users SET is_active = 0 WHERE name = 'Alice';<\/pre>\n
          \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u5c06\u540d\u5b57\u4e3a’Alice’\u7684\u7528\u6237\u7684\u6fc0\u6d3b\u72b6\u6001\u66f4\u65b0\u4e3aFalse\u3002<\/p>\n
            \n
          1. \u5220\u9664\u5e03\u5c14\u7c7b\u578b\u6570\u636e<\/li>\n<\/ol>\n
            \u5220\u9664\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u65f6\uff0c\u540c\u6837\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u5c06True\u548cFalse\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7684TINYINT\u503c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5220\u9664\u5e03\u5c14\u7c7b\u578b\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
            DELETE FROM users WHERE is_active = 0;<\/pre>\n
            \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u5220\u9664\u4e86\u6240\u6709\u6fc0\u6d3b\u72b6\u6001\u4e3aFalse\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n
            \u901a\u8fc7\u4ee5\u4e0a\u51e0\u4e2a\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u6b63\u786e\u5730\u5904\u7406MySQL\u4e2d\u7684\u5e03\u5c14\u7c7b\u578b\u6570\u636e\uff0c\u907f\u514d\u6570\u636e\u6df7\u4e71\u548c\u9519\u8bef\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u5408\u7406\u5730\u4f7f\u7528\u5e03\u5c14\u7c7b\u578b\u6570\u636e\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n
            \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aMySQL\u4e2d\u5982\u4f55\u6b63\u786e\u5904\u7406\u5e03\u5c14\u503c\u6570\u636e\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            MySQL\u4e2d\u5982\u4f55\u6b63\u786e\u5904\u7406\u5e03\u5c14\u503c\u6570...<\/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-200032","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200032","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=200032"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200032\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}