{"id":6505,"date":"2024-11-14T12:50:35","date_gmt":"2024-11-14T04:50:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6505\/"},"modified":"2024-11-14T12:50:35","modified_gmt":"2024-11-14T04:50:35","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e5%8d%95%e6%9d%a1%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6505\/","title":{"rendered":"mysql\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u5355\u6761\u6570\u636e"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5220\u9664 mysql \u4e2d\u5355\u6761\u6570\u636e\uff0c\u8bf7\u4f7f\u7528 delete \u8bed\u53e5\uff0c\u6307\u5b9a\u8868\u540d\u548c\u6761\u4ef6\uff1a\u6253\u5f00 sql \u5ba2\u6237\u7aef\u5e76\u521b\u5efa delete \u8bed\u53e5\uff1adelete from table_name where condition\uff1b\u4f7f\u7528 where \u5b50\u53e5\u6307\u5b9a\u6761\u4ef6\uff08\u4f8b\u5982\u4e3b\u952e\uff09\uff1b\u6267\u884c\u8bed\u53e5\u5e76\u786e\u8ba4\u5220\u9664\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/05\/2024080517492011887.jpg\" class=\"aligncenter\" title=\"mysql\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u5355\u6761\u6570\u636e\u63d2\u56fe\" alt=\"mysql\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u5355\u6761\u6570\u636e\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 MySQL \u5220\u9664\u5355\u6761\u6570\u636e<\/strong><\/p>\n<p>\u8981\u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u4e00\u6761\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 DELETE \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u6253\u5f00 SQL \u5ba2\u6237\u7aef<\/strong><\/p>\n<p>\u4f7f\u7528 SQL \u5ba2\u6237\u7aef\uff08\u5982 MySQL Workbench \u6216 phpMyAdmin\uff09\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u3002<\/p>\n<p><strong>2. \u521b\u5efa DELETE \u8bed\u53e5<\/strong><\/p>\n<p>DELETE \u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>DELETE FROM table_name\nWHERE condition;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>table_name \u662f\u8981\u5220\u9664\u6570\u636e\u7684\u8868\u540d\u3002<\/li>\n<li>condition \u662f\u7528\u4e8e\u6307\u5b9a\u8981\u5220\u9664\u7279\u5b9a\u8bb0\u5f55\u7684\u6761\u4ef6\uff08\u5373\u4e3b\u952e\u6216\u552f\u4e00\u952e\uff09\u3002<\/li>\n<\/ul>\n<p><strong>3. \u6307\u5b9a\u6761\u4ef6<\/strong><\/p>\n<p>\u4f7f\u7528 WHERE \u5b50\u53e5\u6307\u5b9a\u7528\u4e8e\u8bc6\u522b\u8981\u5220\u9664\u8bb0\u5f55\u7684\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u8981\u5220\u9664\u4e3b\u952e\u4e3a 10 \u7684 users \u8868\u4e2d\u7684\u8bb0\u5f55\uff0c\u6761\u4ef6\u4e3a\uff1a<\/p>\n<pre>WHERE id = 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u6267\u884c\u8bed\u53e5<\/strong><\/p>\n<p>\u5728 SQL \u5ba2\u6237\u7aef\u4e2d\uff0c\u952e\u5165\u5e76\u6267\u884c DELETE \u8bed\u53e5\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u8bed\u53e5\u5220\u9664 users \u8868\u4e2d\u4e3b\u952e\u4e3a 10 \u7684\u8bb0\u5f55\uff1a<\/p>\n<pre>DELETE FROM users\nWHERE id = 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u6267\u884c DELETE \u8bed\u53e5\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u5907\u4efd\u60a8\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u8be5\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002<\/li>\n<li>\u786e\u4fdd\u6761\u4ef6\u660e\u786e\uff0c\u4ee5\u907f\u514d\u610f\u5916\u5220\u9664\u6570\u636e\u3002<\/li>\n<li>\u5982\u679c\u60a8\u9700\u8981\u5220\u9664\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE TABLE \u8bed\u53e5\u800c\u4e0d\u662f DELETE \u8bed\u53e5\uff0c\u56e0\u4e3a\u5b83\u66f4\u5feb\u4e14\u4e0d\u8bb0\u5f55redo\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u600e\u4e48\u5220\u9664\u5355\u6761\u6570\u636e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5220\u9664 mysql \u4e2d\u5355\u6761\u6570\u636e\uff0c\u8bf7\u4f7f\u7528 delete \u8bed\u53e5\uff0c\u6307\u5b9a\u8868\u540d\u548c\u6761\u4ef6\uff1a\u6253\u5f00 sql \u5ba2\u6237\u7aef\u5e76\u521b\u5efa delete \u8bed\u53e5\uff1adelete from table_name where condition\uff1b\u4f7f\u7528 where \u5b50\u53e5\u6307\u5b9a\u6761\u4ef6\uff08\u4f8b\u5982\u4e3b\u952e\uff09\uff1b\u6267\u884c\u8bed\u53e5\u5e76\u786e\u8ba4\u5220\u9664\u64cd\u4f5c\u3002 \u5982\u4f55\u4f7f\u7528 MySQL \u5220\u9664\u5355\u6761\u6570\u636e \u8981\u5220\u9664 MySQL \u6570\u636e\u5e93\u4e2d\u7684\u4e00\u6761\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 DELETE \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u6b65\u9aa4\uff1a 1. \u6253\u5f00 SQL \u5ba2\u6237\u7aef \u4f7f\u7528 SQL \u5ba2\u6237\u7aef\uff08\u5982 MySQL Workbench \u6216 phpMyAdmin\uff09\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u3002 2. \u521b\u5efa DELETE \u8bed\u53e5 DELETE \u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a DELETE FROM table_name WHERE condition; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a table_name \u662f\u8981\u5220\u9664\u6570\u636e\u7684\u8868\u540d\u3002 condition \u662f\u7528\u4e8e\u6307\u5b9a\u8981\u5220\u9664\u7279\u5b9a\u8bb0\u5f55\u7684\u6761\u4ef6\uff08\u5373\u4e3b\u952e\u6216\u552f\u4e00\u952e\uff09\u3002 3. \u6307\u5b9a\u6761\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6505","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6505"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6505\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}