{"id":162531,"date":"2024-11-04T15:52:17","date_gmt":"2024-11-04T07:52:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162531\/"},"modified":"2024-11-04T15:52:18","modified_gmt":"2024-11-04T07:52:18","slug":"%e7%b0%a1%e6%bd%94%e6%98%93%e6%87%82%e7%9a%84%e6%96%87%e7%ab%a0%e6%a8%99%e9%a1%8c%ef%bc%9a%e5%88%aa%e9%99%a4%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e8%a1%8c%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-%e5%88%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162531\/","title":{"rendered":"\u7c21\u6f54\u6613\u61c2\u7684\u6587\u7ae0\u6a19\u984c\uff1a\u522a\u9664\u7279\u5b9a\u5b57\u7b26\u884c\u7684\u6578\u64da\u5eab (\u522a\u9664\u5e36\u6709\u7279\u5b9a\u5b57\u7b26\u7684\u884c\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e7%b0%a1%e6%bd%94%e6%98%93%e6%87%82%e7%9a%84%e6%96%87%e7%ab%a0%e6%a8%99%e9%a1%8c%ef%bc%9a%e5%88%aa%e9%99%a4%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e8%a1%8c%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-SWolRNVluG\">\u7c21\u6f54\u6613\u61c2\u7684\u6587\u7ae0\u6a19\u984c\uff1a\u522a\u9664\u7279\u5b9a\u5b57\u7b26\u884c\u7684\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u6e05\u7406\u548c\u7dad\u8b77\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u522a\u9664\u5e36\u6709\u7279\u5b9a\u5b57\u7b26\u7684\u884c\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u522a\u9664\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u7684\u884c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e7%9a%84%e8%a1%8c%ef%bc%9f-SWolRNVluG\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u7279\u5b9a\u5b57\u7b26\u7684\u884c\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u56e0\u70ba\u591a\u7a2e\u539f\u56e0\u800c\u8b8a\u5f97\u4e0d\u4e00\u81f4\u6216\u4e0d\u6e96\u78ba\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u8005\u5728\u8f38\u5165\u6578\u64da\u6642\u53ef\u80fd\u6703\u4e0d\u5c0f\u5fc3\u6dfb\u52a0\u591a\u9918\u7684\u5b57\u7b26\uff0c\u6216\u8005\u67d0\u4e9b\u6578\u64da\u5728\u5c0e\u5165\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u53d7\u5230\u6c61\u67d3\u3002\u9019\u4e9b\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u6578\u64da\u5eab\u4e2d\u7684\u4e0d\u5fc5\u8981\u884c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-sql-%e5%88%aa%e9%99%a4%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e7%9a%84%e8%a1%8c-SWolRNVluG\">\u4f7f\u7528 SQL \u522a\u9664\u7279\u5b9a\u5b57\u7b26\u7684\u884c<\/h2>\n<p>\u5728 SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DELETE<\/code> \u8a9e\u53e5\u4f86\u522a\u9664\u7279\u5b9a\u7684\u884c\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u7684\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>LIKE<\/code> \u95dc\u9375\u5b57\u4f86\u6307\u5b9a\u689d\u4ef6\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u60f3\u8981\u522a\u9664\u6240\u6709\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u4e2d\u5305\u542b\u300c@example.com\u300d\u7684\u884c\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE email LIKE '%@example.com%';<\/code><\/pre>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%88%aa%e9%99%a4%e5%8c%85%e5%90%ab%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e7%9a%84%e8%a1%8c-SWolRNVluG\">\u793a\u4f8b\uff1a\u522a\u9664\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u7684\u884c<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>products<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n<ul>\n<li><code>id<\/code> &#8211; \u7522\u54c1ID<\/li>\n<li><code>name<\/code> &#8211; \u7522\u54c1\u540d\u7a31<\/li>\n<li><code>description<\/code> &#8211; \u7522\u54c1\u63cf\u8ff0<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u6240\u6709\u63cf\u8ff0\u4e2d\u5305\u542b\u300c\u4e0d\u5408\u683c\u300d\u9019\u4e00\u8a5e\u7684\u7522\u54c1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM products WHERE description LIKE '%\u4e0d\u5408\u683c%';<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SWolRNVluG\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u4f86\u6aa2\u67e5\u5c07\u8981\u522a\u9664\u7684\u884c\uff0c\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u7684\u6b63\u78ba\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM products WHERE description LIKE '%\u4e0d\u5408\u683c%';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u7b26\u5408\u689d\u4ef6\u7684\u884c\uff0c\u78ba\u4fdd\u5728\u522a\u9664\u4e4b\u524d\u5c0d\u6578\u64da\u6709\u5145\u5206\u7684\u4e86\u89e3\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SWolRNVluG\">\u7d50\u8ad6<\/h2>\n<p>\u522a\u9664\u7279\u5b9a\u5b57\u7b26\u7684\u884c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u4efb\u52d9\u3002\u901a\u904e\u4f7f\u7528 SQL \u7684 <code>DELETE<\/code> \u8a9e\u53e5\u548c <code>LIKE<\/code> \u95dc\u9375\u5b57\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u6e05\u7406\u6578\u64da\u5eab\u4e2d\u7684\u4e0d\u5fc5\u8981\u6578\u64da\u3002\u8a18\u5f97\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\u9032\u884c\u5099\u4efd\u548c\u6aa2\u67e5\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u522a\u9664\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u7684\u884c\uff0c\u7c21\u6f54\u6613\u61c2\u7684\u6307\u5357\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\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-162531","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162531","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=162531"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162531\/revisions"}],"predecessor-version":[{"id":162532,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162531\/revisions\/162532"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}