{"id":187068,"date":"2024-11-11T11:11:19","date_gmt":"2024-11-11T03:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187068\/"},"modified":"2024-11-11T11:11:20","modified_gmt":"2024-11-11T03:11:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%bf%ab%e9%80%9f%e6%8e%8c%e6%8f%a1%e9%97%9c%e9%8d%b5%e7%9f%a5%e8%ad%98%e9%bb%9e-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187068\/","title":{"rendered":"\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\u8a73\u89e3\uff1a\u5feb\u901f\u638c\u63e1\u95dc\u9375\u77e5\u8b58\u9ede (\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\u600e\u9ebc\u5beb)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%bf%ab%e9%80%9f%e6%8e%8c%e6%8f%a1%e9%97%9c%e9%8d%b5%e7%9f%a5%e8%ad%98%e9%bb%9e-thFRfCArBf\">\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\u8a73\u89e3\uff1a\u5feb\u901f\u638c\u63e1\u95dc\u9375\u77e5\u8b58\u9ede<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u522a\u9664\u6578\u64da\u7684\u64cd\u4f5c\u662f\u975e\u5e38\u5e38\u898b\u7684\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u6578\u64da\u4e0d\u518d\u9700\u8981\uff0c\u9084\u662f\u56e0\u70ba\u6578\u64da\u9700\u8981\u66f4\u65b0\uff0c\u522a\u9664\u8a9e\u53e5\u90fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\u7684\u57fa\u672c\u6982\u5ff5\u3001\u8a9e\u6cd5\u53ca\u5176\u4f7f\u7528\u6ce8\u610f\u4e8b\u9805\uff0c\u5e6b\u52a9\u8b80\u8005\u5feb\u901f\u638c\u63e1\u95dc\u9375\u77e5\u8b58\u9ede\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%ef%bc%9f-thFRfCArBf\">\u4ec0\u9ebc\u662f\u522a\u9664\u8a9e\u53e5\uff1f<\/h2>\n<p>\u522a\u9664\u8a9e\u53e5\uff08DELETE\uff09\u662f\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u8868\u4e2d\u522a\u9664\u4e00\u689d\u6216\u591a\u689d\u8a18\u9304\u7684SQL\u8a9e\u53e5\u3002\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5fc5\u9808\u8b39\u614e\u8003\u616e\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-thFRfCArBf\">\u522a\u9664\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u522a\u9664\u8a9e\u53e5\u7684\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\u52a0\u689d\u4ef6\uff0c\u5247\u6703\u522a\u9664\u8868\u4e2d\u6240\u6709\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-thFRfCArBf\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <strong>users<\/strong> \u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u8981\u522a\u9664\u7528\u6236ID\u70ba1\u7684\u8a18\u9304\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE id = 1;<\/code><\/pre>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u6240\u6709\u5e74\u9f61\u5927\u65bc30\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE age &gt; 30;<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-thFRfCArBf\">\u4f7f\u7528\u522a\u9664\u8a9e\u53e5\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u8aa4\u522a\u9664\u3002<\/li>\n<li><strong>\u4f7f\u7528WHERE\u5b50\u53e5\uff1a<\/strong>\u59cb\u7d42\u4f7f\u7528WHERE\u5b50\u53e5\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>\u6aa2\u67e5\u5f71\u97ff\u884c\u6578\uff1a<\/strong>\u5728\u57f7\u884c\u522a\u9664\u8a9e\u53e5\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u6aa2\u67e5\u53d7\u5f71\u97ff\u7684\u884c\u6578\uff0c\u78ba\u4fdd\u64cd\u4f5c\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-thFRfCArBf\">\u522a\u9664\u8a9e\u53e5\u7684\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u522a\u9664\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6279\u91cf\u522a\u9664\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u5927\u91cf\u8a18\u9304\uff0c\u53ef\u4ee5\u5c07\u522a\u9664\u64cd\u4f5c\u5206\u6279\u9032\u884c\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u78ba\u4fdd\u5728WHERE\u5b50\u53e5\u4e2d\u4f7f\u7528\u7684\u5217\u6709\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u8003\u616e\u4f7f\u7528TRUNCATE\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u6574\u500b\u8868\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528TRUNCATE\u8a9e\u53e5\uff0c\u9019\u6a23\u6703\u6bd4DELETE\u66f4\u5feb\uff0c\u4f46\u7121\u6cd5\u4f7f\u7528WHERE\u5b50\u53e5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-thFRfCArBf\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\u662f\u6578\u64da\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u4e86\u89e3\u5176\u57fa\u672c\u8a9e\u6cd5\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9805\u53ca\u6027\u80fd\u8003\u91cf\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6578\u64da\u5eab\u7ba1\u7406\u53ca\u76f8\u95dc\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u5c08\u696d\u7684\u652f\u6301\u548c\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\uff0c\u638c\u63e1\u95dc\u9375\u77e5\u8b58\u9ede\uff0c\u5b78\u6703\u5982\u4f55\u6b63\u78ba\u7de8\u5beb\u522a\u9664\u8a9e\u53e5\uff0c\u63d0\u5347\u6578\u64da\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-187068","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187068","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=187068"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187068\/revisions"}],"predecessor-version":[{"id":187069,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187068\/revisions\/187069"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}