{"id":200031,"date":"2025-05-06T08:16:12","date_gmt":"2025-05-06T00:16:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200031\/"},"modified":"2025-05-06T08:16:12","modified_gmt":"2025-05-06T00:16:12","slug":"%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90mysql%e4%b8%ad%e5%b8%83%e5%b0%94%e7%b1%bb%e5%9e%8b%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200031\/","title":{"rendered":"\u6df1\u5165\u89e3\u6790MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u5e94\u7528"},"content":{"rendered":"

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

\u6df1\u5165\u89e3\u6790MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u5e94\u7528<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u672c\u4eba\u7ed9\u5927\u5bb6\u5e26\u6765\u6587\u7ae0\uff0c\u6587\u4e2d\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u5bf9\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u90a3\u5c31\u8bf7\u5404\u4f4d\u670b\u53cb\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427~\u5e0c\u671b\u80fd\u771f\u6b63\u5e2e\u5230\u4f60\u4eec\uff0c\u8c22\u8c22\uff01<\/p>\n

MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3<\/p>\n

MySQL\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u5e03\u5c14\u7c7b\u578b\u6765\u8868\u793a\u903b\u8f91\u4e0a\u7684\u771f\u5047\u503c\u3002MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u6709\u4e24\u79cd\u8868\u793a\u65b9\u5f0f\uff1aTINYINT(1)\u548cBOOL\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdMySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u62ec\u5e03\u5c14\u7c7b\u578b\u7684\u5b9a\u4e49\u3001\u8d4b\u503c\u3001\u67e5\u8be2\u548c\u4fee\u6539\u7b49\u64cd\u4f5c\uff0c\u540c\u65f6\u7ed3\u5408\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n

1. \u5e03\u5c14\u7c7b\u578b\u7684\u5b9a\u4e49<\/strong><\/p>\n

\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TINYINT(1)\u6216BOOL\u7c7b\u578b\u6765\u5b9a\u4e49\u5e03\u5c14\u5b57\u6bb5\u3002\u5176\u4e2d\uff0cTINYINT(1)\u8868\u793a\u4e00\u4e2a\u5b57\u8282\u5927\u5c0f\u7684\u6574\u6570\uff0c\u53d6\u503c\u8303\u56f4\u4e3a0\u5230255\uff0c\u4f46\u901a\u5e38\u7528\u6765\u8868\u793a\u903b\u8f91\u771f\u5047\u503c\uff0c\u53730\u8868\u793a\u5047\uff0c1\u8868\u793a\u771f\u3002BOOL\u7c7b\u578b\u662fTINYINT(1)\u7684\u522b\u540d\uff0c\u7528\u6765\u8868\u793a\u903b\u8f91\u771f\u5047\u503c\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u8868\u65f6\u5b9a\u4e49\u5e03\u5c14\u5b57\u6bb5\u7684\u793a\u4f8b\uff1a<\/p>\n

CREATE TABLE user (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    is_active TINYINT(1)\n);<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u8868user\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3ais_active\u7684\u5e03\u5c14\u5b57\u6bb5\uff0c\u7528\u6765\u8868\u793a\u7528\u6237\u662f\u5426\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u3002<\/p>\n
2. \u5e03\u5c14\u7c7b\u578b\u7684\u8d4b\u503c<\/strong><\/p>\n
\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT\u8bed\u53e5\u6765\u7ed9\u5e03\u5c14\u5b57\u6bb5\u8d4b\u503c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e03\u5c14\u5b57\u6bb5\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u4e3a0\u62161\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57TRUE\u548cFALSE\u6765\u8868\u793a\u771f\u5047\u503c\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u63d2\u5165\u6570\u636e\u65f6\u7ed9\u5e03\u5c14\u5b57\u6bb5\u8d4b\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
INSERT INTO user (id, name, is_active)\nVALUES (1, 'Alice', 1);<\/pre>\n
\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u7ed9\u7528\u6237Alice\u8bbe\u7f6e\u4e86is_active\u5b57\u6bb5\u7684\u503c\u4e3a1\uff0c\u8868\u793a\u7528\u6237\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u3002<\/p>\n
3. \u5e03\u5c14\u7c7b\u578b\u7684\u67e5\u8be2<\/strong><\/p>\n
\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8bed\u53e5\u6765\u67e5\u8be2\u5e03\u5c14\u5b57\u6bb5\u7684\u503c\u3002\u67e5\u8be2\u5230\u7684\u7ed3\u679c\u4f1a\u4ee50\u548c1\u7684\u5f62\u5f0f\u663e\u793a\uff0c\u5176\u4e2d0\u8868\u793a\u5047\uff0c1\u8868\u793a\u771f\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u67e5\u8be2\u5e03\u5c14\u5b57\u6bb5\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
SELECT name, is_active\nFROM user\nWHERE is_active = 1;<\/pre>\n
\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u67e5\u8be2\u4e86\u6240\u6709\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u7684\u7528\u6237\uff0c\u5e76\u8fd4\u56de\u4ed6\u4eec\u7684\u59d3\u540d\u548cis_active\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n
4. \u5e03\u5c14\u7c7b\u578b\u7684\u4fee\u6539<\/strong><\/p>\n
\u5982\u679c\u9700\u8981\u4fee\u6539\u5e03\u5c14\u5b57\u6bb5\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u8bed\u53e5\u6765\u66f4\u65b0\u5b57\u6bb5\u7684\u503c\u3002\u66f4\u65b0\u65f6\u540c\u6837\u53ef\u4ee5\u76f4\u63a5\u4f7f\u75280\u548c1\uff0c\u6216\u8005TRUE\u548cFALSE\u5173\u952e\u5b57\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u66f4\u65b0\u5e03\u5c14\u5b57\u6bb5\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n
UPDATE user\nSET is_active = FALSE\nWHERE name = 'Alice';<\/pre>\n
\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u5c06\u7528\u6237\u540d\u4e3aAlice\u7684\u7528\u6237\u7684is_active\u5b57\u6bb5\u503c\u66f4\u65b0\u4e3a\u5047\uff0c\u8868\u793a\u7528\u6237\u4e0d\u518d\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u3002<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u62ec\u5e03\u5c14\u7c7b\u578b\u7684\u5b9a\u4e49\u3001\u8d4b\u503c\u3001\u67e5\u8be2\u548c\u4fee\u6539\u7b49\u64cd\u4f5c\uff0c\u5e76\u7ed9\u51fa\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u8bfb\u8005\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\u80fd\u66f4\u597d\u5730\u4e86\u89e3MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u4f7f\u7528\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u6df1\u5165\u89e3\u6790MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u5e94\u7528\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":"
\u6df1\u5165\u89e3\u6790MySQL\u4e2d\u5e03\u5c14\u7c7b\u578b\u7684\u5e94...<\/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-200031","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200031","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=200031"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200031\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}