{"id":66471,"date":"2024-10-14T17:48:16","date_gmt":"2024-10-14T09:48:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66471\/"},"modified":"2024-10-14T17:48:16","modified_gmt":"2024-10-14T09:48:16","slug":"mysql-delete%e8%aa%9e%e6%b3%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e8%88%87%e4%bb%a3%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66471\/","title":{"rendered":"MYSQL DELETE\u8a9e\u6cd5\u7684\u5be6\u969b\u64cd\u4f5c\u8207\u4ee3\u78bc"},"content":{"rendered":"<h1 id=\"mysql-delete%e8%aa%9e%e6%b3%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e8%88%87%e4%bb%a3%e7%a2%bc-KiyrjouPid\">MySQL DELETE\u8a9e\u6cd5\u7684\u5be6\u969b\u64cd\u4f5c\u8207\u4ee3\u78bc<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5176\u63d0\u4f9b\u7684\u5404\u7a2e\u8a9e\u6cd5\u548c\u529f\u80fd\u4f7f\u5f97\u6578\u64da\u7684\u64cd\u4f5c\u8b8a\u5f97\u7c21\u55ae\u800c\u9ad8\u6548\u3002\u672c\u6587\u5c07\u91cd\u9ede\u4ecb\u7d39MySQL\u4e2d\u7684DELETE\u8a9e\u6cd5\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u64cd\u4f5c\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u4e00\u8a9e\u6cd5\u4f86\u522a\u9664\u6578\u64da\u3002<\/p>\n<h2 id=\"delete%e8%aa%9e%e6%b3%95%e6%a6%82%e8%bf%b0-KiyrjouPid\">DELETE\u8a9e\u6cd5\u6982\u8ff0<\/h2>\n<p>DELETE\u8a9e\u6cd5\u7528\u65bc\u5f9e\u6578\u64da\u8868\u4e2d\u522a\u9664\u4e00\u689d\u6216\u591a\u689d\u8a18\u9304\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>\u8868\u540d<\/strong>\u662f\u4f60\u60f3\u8981\u522a\u9664\u6578\u64da\u7684\u8868\u7684\u540d\u7a31\uff0c\u800c<strong>\u689d\u4ef6<\/strong>\u5247\u662f\u7528\u4f86\u6307\u5b9a\u54ea\u4e9b\u8a18\u9304\u9700\u8981\u88ab\u522a\u9664\u7684\u689d\u4ef6\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u689d\u4ef6\uff0c\u5247\u6703\u522a\u9664\u8868\u4e2d\u6240\u6709\u7684\u8a18\u9304\uff0c\u9019\u4e00\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-KiyrjouPid\">\u57fa\u672c\u64cd\u4f5c\u793a\u4f8b<\/h2>\n<h3 id=\"1-%e5%88%aa%e9%99%a4%e5%96%ae%e6%a2%9d%e8%a8%98%e9%8c%84-KiyrjouPid\">1. \u522a\u9664\u55ae\u689d\u8a18\u9304<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<strong>users<\/strong>\u7684\u8868\uff0c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664id\u70ba1\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE id = 1;<\/code><\/pre>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e5%a4%9a%e6%a2%9d%e8%a8%98%e9%8c%84-KiyrjouPid\">2. \u522a\u9664\u591a\u689d\u8a18\u9304<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u6240\u6709\u96fb\u5b50\u90f5\u4ef6\u4ee5\u201c@example.com\u201d\u7d50\u5c3e\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u9019\u6a23\u64cd\u4f5c\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE email LIKE '%@example.com';<\/code><\/pre>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e6%89%80%e6%9c%89%e8%a8%98%e9%8c%84-KiyrjouPid\">3. \u522a\u9664\u6240\u6709\u8a18\u9304<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664<strong>users<\/strong>\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DELETE FROM users;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u4f46\u8868\u7d50\u69cb\u4ecd\u7136\u4fdd\u7559\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8delete%e8%aa%9e%e6%b3%95%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-KiyrjouPid\">\u4f7f\u7528DELETE\u8a9e\u6cd5\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u57f7\u884cDELETE\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u8aa4\u522a\u9664\u91cd\u8981\u4fe1\u606f\u3002<\/li>\n<li><strong>\u4f7f\u7528WHERE\u689d\u4ef6\uff1a<\/strong>\u59cb\u7d42\u4f7f\u7528WHERE\u689d\u4ef6\u4f86\u9650\u5236\u522a\u9664\u7684\u7bc4\u570d\uff0c\u907f\u514d\u4e0d\u5c0f\u5fc3\u522a\u9664\u6574\u500b\u8868\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u8655\u7406\uff1a<\/strong>\u5728\u9700\u8981\u522a\u9664\u591a\u689d\u8a18\u9304\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86%e7%a4%ba%e4%be%8b-KiyrjouPid\">\u4e8b\u52d9\u8655\u7406\u793a\u4f8b<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u4e8b\u52d9\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>START TRANSACTION;\nDELETE FROM users WHERE email LIKE '%@example.com';\nCOMMIT;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u5982\u679c\u5728\u522a\u9664\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u53ef\u4ee5\u9078\u64c7ROLLBACK\u4f86\u64a4\u92b7\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KiyrjouPid\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684DELETE\u8a9e\u6cd5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528DELETE\u8a9e\u6cd5\uff0c\u4e26\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u907f\u514d\u6578\u64da\u4e1f\u5931\u548c\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u6216<em><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/em>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL DELETE\u8a9e\u6cd5\u7684\u5be6\u969b\u64cd\u4f5c\u8207\u4ee3\u78bc\u793a\u4f8b\uff0c\u8f15\u9b06\u638c\u63e1\u6578\u64da\u522a\u9664\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66471","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66471","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66471"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66471\/revisions"}],"predecessor-version":[{"id":66472,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66471\/revisions\/66472"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}