{"id":76210,"date":"2024-10-16T04:46:15","date_gmt":"2024-10-15T20:46:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76210\/"},"modified":"2024-10-16T04:46:15","modified_gmt":"2024-10-15T20:46:15","slug":"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8delete-from-table-where%e6%a2%9d%e4%bb%b6%e5%be%9e%e8%a1%a8%e4%b8%ad%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e3%80%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76210\/","title":{"rendered":"MySQL\u5165\u9580\uff1a\u4f7f\u7528DELETE FROM [table] WHERE\u689d\u4ef6\u5f9e\u8868\u4e2d\u522a\u9664\u6578\u64da\u3002"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8delete-from-table-where%e6%a2%9d%e4%bb%b6%e5%be%9e%e8%a1%a8%e4%b8%ad%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-OOXONDKVFb\">MySQL\u5165\u9580\uff1a\u4f7f\u7528DELETE FROM [table] WHERE\u689d\u4ef6\u5f9e\u8868\u4e2d\u522a\u9664\u6578\u64da<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u975e\u5e38\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u64cd\u4f5c\u6578\u64da\u7684\u65b9\u5f0f\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u522a\u9664\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528DELETE\u8a9e\u53e5\u5f9e\u8868\u4e2d\u522a\u9664\u6578\u64da\uff0c\u7279\u5225\u662f\u4f7f\u7528WHERE\u689d\u4ef6\u4f86\u7cbe\u78ba\u63a7\u5236\u522a\u9664\u7684\u7bc4\u570d\u3002<\/p>\n<h2 id=\"delete%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-OOXONDKVFb\">DELETE\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>DELETE\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM [table] WHERE [condition];<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>[table]<\/code>\u662f\u4f60\u60f3\u8981\u522a\u9664\u6578\u64da\u7684\u8868\u540d\uff0c\u800c<code>[condition]<\/code>\u5247\u662f\u7528\u4f86\u6307\u5b9a\u54ea\u4e9b\u884c\u9700\u8981\u88ab\u522a\u9664\u7684\u689d\u4ef6\u3002\u82e5\u4e0d\u4f7f\u7528WHERE\u689d\u4ef6\uff0c\u5247\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u90fd\u6703\u88ab\u522a\u9664\uff0c\u9019\u901a\u5e38\u4e0d\u662f\u6211\u5011\u7684\u610f\u5716\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8where%e6%a2%9d%e4%bb%b6%e7%9a%84%e7%a4%ba%e4%be%8b-OOXONDKVFb\">\u4f7f\u7528WHERE\u689d\u4ef6\u7684\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>employees<\/code>\u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>id<\/code> &#8211; \u54e1\u5de5ID<\/li>\n<li><code>name<\/code> &#8211; \u54e1\u5de5\u59d3\u540d<\/li>\n<li><code>department<\/code> &#8211; \u90e8\u9580<\/li>\n<li><code>salary<\/code> &#8211; \u85aa\u6c34<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u90e8\u9580\u70ba\u201c\u92b7\u552e\u201d\u7684\u6240\u6709\u54e1\u5de5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM employees WHERE department = '\u92b7\u552e';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6703\u522a\u9664\u6240\u6709\u90e8\u9580\u70ba\u201c\u92b7\u552e\u201d\u7684\u54e1\u5de5\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-OOXONDKVFb\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528DELETE\u8a9e\u53e5\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u522a\u9664\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>\u78ba\u8a8d\u689d\u4ef6\uff1a<\/strong>\u78ba\u4fddWHERE\u689d\u4ef6\u6b63\u78ba\u7121\u8aa4\uff0c\u907f\u514d\u522a\u9664\u4e0d\u61c9\u8a72\u522a\u9664\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u4f7f\u7528LIMIT\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u7684\u6578\u64da\u91cf\u5f88\u5927\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528LIMIT\u4f86\u9650\u5236\u6bcf\u6b21\u522a\u9664\u7684\u884c\u6578\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre><code>DELETE FROM employees WHERE department = '\u92b7\u552e' LIMIT 10;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u9010\u6b65\u522a\u9664\u6578\u64da\uff0c\u964d\u4f4e\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c%e7%9a%84%e5%9b%9e%e6%bb%be-OOXONDKVFb\">\u522a\u9664\u64cd\u4f5c\u7684\u56de\u6efe<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u80fd\u5920\u56de\u6efe\u522a\u9664\u64cd\u4f5c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u4e8b\u52d9\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u4e8b\u52d9\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>START TRANSACTION;\nDELETE FROM employees WHERE department = '\u92b7\u552e';\nROLLBACK; -- \u6216\u8005\u4f7f\u7528 COMMIT; \u4f86\u78ba\u8a8d\u522a\u9664<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u56de\u6efe\uff08ROLLBACK\uff09\u6216\u63d0\u4ea4\uff08COMMIT\uff09\u522a\u9664\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u522a\u9664\u4e4b\u524d\u9032\u884c\u6aa2\u67e5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OOXONDKVFb\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528DELETE\u8a9e\u53e5\u5f9eMySQL\u8868\u4e2d\u522a\u9664\u6578\u64da\u662f\u4e00\u500b\u57fa\u672c\u4f46\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528WHERE\u689d\u4ef6\uff0c\u53ef\u4ee5\u7cbe\u78ba\u63a7\u5236\u522a\u9664\u7684\u6578\u64da\u7bc4\u570d\uff0c\u5f9e\u800c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4e1f\u5931\u3002\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MySQL\u7684DELETE FROM\u8a9e\u53e5\uff0c\u6839\u64da\u689d\u4ef6\u5f9e\u8868\u4e2d\u522a\u9664\u6578\u64da\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u904e\u7a0b\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-76210","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76210","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=76210"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76210\/revisions"}],"predecessor-version":[{"id":76211,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76210\/revisions\/76211"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}