{"id":174995,"date":"2024-11-08T01:35:30","date_gmt":"2024-11-07T17:35:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174995\/"},"modified":"2024-11-08T01:35:31","modified_gmt":"2024-11-07T17:35:31","slug":"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174995\/","title":{"rendered":"\u5982\u4f55\u522a\u9664\u591a\u884c\u6578\u64da\u5eab\uff1f (\u522a\u9664\u591a\u884c\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-WtrjcbbQsR\">\u5982\u4f55\u522a\u9664\u591a\u884c\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u522a\u9664\u591a\u884c\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u6578\u64da\u904e\u6642\u3001\u932f\u8aa4\u6216\u662f\u9700\u8981\u91cb\u653e\u7a7a\u9593\uff0c\u6b63\u78ba\u5730\u522a\u9664\u591a\u884c\u6578\u64da\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u522a\u9664\u591a\u884c\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-WtrjcbbQsR\">\u522a\u9664\u591a\u884c\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u662f\u4f7f\u7528 <code>DELETE<\/code> \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\u7d50\u69cb\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>\u8868\u540d<\/code> \u662f\u4f60\u8981\u522a\u9664\u6578\u64da\u7684\u8868\u7684\u540d\u7a31\uff0c\u800c <code>\u689d\u4ef6<\/code> \u5247\u662f\u7528\u4f86\u7be9\u9078\u9700\u8981\u522a\u9664\u7684\u884c\u7684\u689d\u4ef6\u3002\u82e5\u8981\u522a\u9664\u591a\u884c\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>IN<\/code> \u6216 <code>BETWEEN<\/code> \u7b49\u689d\u4ef6\u4f86\u6307\u5b9a\u591a\u500b\u503c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e7%9a%84%e7%af%84%e4%be%8b-WtrjcbbQsR\">\u4f7f\u7528 SQL \u522a\u9664\u591a\u884c\u6578\u64da\u7684\u7bc4\u4f8b<\/h2>\n<h3 id=\"%e7%af%84%e4%be%8b-1%ef%bc%9a%e4%bd%bf%e7%94%a8-in-%e6%a2%9d%e4%bb%b6-WtrjcbbQsR\">\u7bc4\u4f8b 1\uff1a\u4f7f\u7528 IN \u689d\u4ef6<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u8981\u522a\u9664\u7528\u6236 ID \u70ba 1\u30012 \u548c 3 \u7684\u7528\u6236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE id IN (1, 2, 3);<\/code><\/pre>\n<h3 id=\"%e7%af%84%e4%be%8b-2%ef%bc%9a%e4%bd%bf%e7%94%a8-between-%e6%a2%9d%e4%bb%b6-WtrjcbbQsR\">\u7bc4\u4f8b 2\uff1a\u4f7f\u7528 BETWEEN \u689d\u4ef6<\/h3>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664 ID \u5728 4 \u5230 10 \u4e4b\u9593\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>BETWEEN<\/code> \u689d\u4ef6\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE id BETWEEN 4 AND 10;<\/code><\/pre>\n<h3 id=\"%e7%af%84%e4%be%8b-3%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%85%b6%e4%bb%96%e6%a2%9d%e4%bb%b6-WtrjcbbQsR\">\u7bc4\u4f8b 3\uff1a\u4f7f\u7528\u5176\u4ed6\u689d\u4ef6<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528 <code>IN<\/code> \u548c <code>BETWEEN<\/code>\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u689d\u4ef6\u4f86\u522a\u9664\u591a\u884c\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u522a\u9664\u6240\u6709\u5e74\u9f61\u5927\u65bc 30 \u6b72\u7684\u7528\u6236\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE age &gt; 30;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-WtrjcbbQsR\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664\u591a\u884c\u6578\u64da\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\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li><strong>\u78ba\u8a8d\u689d\u4ef6\uff1a<\/strong>\u78ba\u4fdd <code>WHERE<\/code> \u689d\u4ef6\u6b63\u78ba\uff0c\u4ee5\u514d\u522a\u9664\u4e0d\u61c9\u8a72\u522a\u9664\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u652f\u6301\u4e8b\u52d9\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u522a\u9664\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u51fa\u73fe\u932f\u8aa4\u6642\u9032\u884c\u56de\u6efe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-WtrjcbbQsR\">\u7d50\u8ad6<\/h2>\n<p>\u522a\u9664\u591a\u884c\u6578\u64da\u662f\u4e00\u9805\u91cd\u8981\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4efb\u52d9\uff0c\u6b63\u78ba\u7684\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u7dad\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u6027\u80fd\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684 SQL \u8a9e\u53e5\u548c\u689d\u4ef6\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3002\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\uff0c\u4e26\u8003\u616e\u5099\u4efd\u548c\u4e8b\u52d9\u7684\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u7dad\u8b77\u60a8\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u522a\u9664\u591a\u884c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u7c21\u55ae\u6b65\u9a5f\u548c\u6280\u5de7\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u5167\u5bb9\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-174995","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174995","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=174995"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174995\/revisions"}],"predecessor-version":[{"id":174996,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174995\/revisions\/174996"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}