{"id":187246,"date":"2024-11-11T12:40:18","date_gmt":"2024-11-11T04:40:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187246\/"},"modified":"2024-11-11T12:40:19","modified_gmt":"2024-11-11T04:40:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e7%9a%84%e6%b8%85%e9%99%a4%e6%8a%80%e5%b7%a7-%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187246\/","title":{"rendered":"\u6578\u64da\u5eab\u6578\u64da\u7684\u6e05\u9664\u6280\u5de7 (\u5982\u4f55\u6e05\u9664\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e7%9a%84%e6%b8%85%e9%99%a4%e6%8a%80%e5%b7%a7-%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-ofSXaKFMni\">\u6578\u64da\u5eab\u6578\u64da\u7684\u6e05\u9664\u6280\u5de7 (\u5982\u4f55\u6e05\u9664\u6578\u64da\u5eab\u6578\u64da)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u6e05\u9664\u662f\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u5fc5\u8981\u6216\u904e\u6642\u7684\u6578\u64da\uff0c\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684\u6578\u64da\u5eab\u6578\u64da\u6e05\u9664\u6280\u5de7\uff0c\u5e6b\u52a9\u60a8\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-ofSXaKFMni\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u9664\u6578\u64da\u5eab\u6578\u64da<\/h2>\n<p>\u6e05\u9664\u6578\u64da\u5eab\u6578\u64da\u7684\u539f\u56e0\u6709\u5f88\u591a\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u901f\u5ea6\u53ef\u80fd\u6703\u8b8a\u6162\u3002\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff1a<\/strong>\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u6e05\u9664\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u904e\u6642\u6216\u91cd\u8907\u7684\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u6e05\u9664\u9019\u4e9b\u6578\u64da\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%b8%85%e9%99%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-ofSXaKFMni\">\u6578\u64da\u6e05\u9664\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u5728\u958b\u59cb\u6e05\u9664\u6578\u64da\u4e4b\u524d\uff0c\u5efa\u8b70\u9075\u5faa\u4ee5\u4e0b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e6%b8%85%e9%99%a4%e7%9a%84%e6%95%b8%e6%93%9a-ofSXaKFMni\">1. \u78ba\u5b9a\u6e05\u9664\u7684\u6578\u64da<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u5b9a\u54ea\u4e9b\u6578\u64da\u662f\u53ef\u4ee5\u6e05\u9664\u7684\u3002\u9019\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u904e\u671f\u7684\u6578\u64da<\/li>\n<li>\u91cd\u8907\u7684\u8a18\u9304<\/li>\n<li>\u4e0d\u518d\u9700\u8981\u7684\u6e2c\u8a66\u6578\u64da<\/li>\n<\/ul>\n<h3 id=\"2-%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-ofSXaKFMni\">2. \u5099\u4efd\u6578\u64da<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u6e05\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u51fa\u73fe\u554f\u984c\u6642\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8sql%e8%aa%9e%e5%8f%a5%e6%b8%85%e9%99%a4%e6%95%b8%e6%93%9a-ofSXaKFMni\">3. \u4f7f\u7528SQL\u8a9e\u53e5\u6e05\u9664\u6578\u64da<\/h3>\n<p>\u4f7f\u7528SQL\u8a9e\u53e5\u662f\u6e05\u9664\u6578\u64da\u7684\u5e38\u898b\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u522a\u9664\u904e\u671f\u7684\u6578\u64da\nDELETE FROM orders WHERE order_date &lt; NOW() - INTERVAL 1 YEAR;\n\n-- \u522a\u9664\u91cd\u8907\u7684\u8a18\u9304\nDELETE FROM users\nWHERE id NOT IN (\n    SELECT MIN(id)\n    FROM users\n    GROUP BY email\n);\n<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86-ofSXaKFMni\">4. \u5b9a\u671f\u6e05\u7406<\/h3>\n<p>\u6578\u64da\u6e05\u9664\u4e0d\u61c9\u8a72\u662f\u4e00\u6b21\u6027\u7684\u4efb\u52d9\uff0c\u800c\u61c9\u8a72\u5b9a\u671f\u9032\u884c\u3002\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\uff0c\u81ea\u52d5\u57f7\u884c\u6578\u64da\u6e05\u9664\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%b7%a5%e5%85%b7%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e6%b8%85%e9%99%a4-ofSXaKFMni\">\u4f7f\u7528\u5de5\u5177\u9032\u884c\u6578\u64da\u6e05\u9664<\/h2>\n<p>\u9664\u4e86\u624b\u52d5\u4f7f\u7528SQL\u8a9e\u53e5\u5916\uff0c\u9084\u6709\u8a31\u591a\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u60a8\u6e05\u9664\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>phpMyAdmin\uff1a<\/strong>\u9019\u662f\u4e00\u500b\u6d41\u884c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u7528\u6236\u53cb\u597d\u7684\u754c\u9762\u4f86\u57f7\u884c\u6578\u64da\u6e05\u9664\u64cd\u4f5c\u3002<\/li>\n<li><strong>MySQL Workbench\uff1a<\/strong>\u9019\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u6578\u64da\u6e05\u9664\u548c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ofSXaKFMni\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u9664\u6578\u64da\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u4e86\u89e3\u8981\u522a\u9664\u7684\u6578\u64da\u7684\u5f71\u97ff\uff0c\u907f\u514d\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u59cb\u7d42\u9032\u884c\u6578\u64da\u5099\u4efd\u3002<\/li>\n<li>\u6e2c\u8a66\u6e05\u9664\u64cd\u4f5c\u5728\u958b\u767c\u74b0\u5883\u4e2d\u9032\u884c\uff0c\u78ba\u4fdd\u4e0d\u6703\u5c0d\u751f\u7522\u74b0\u5883\u9020\u6210\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ofSXaKFMni\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u6578\u64da\u7684\u6e05\u9664\u662f\u4e00\u9805\u5fc5\u8981\u7684\u7dad\u8b77\u5de5\u4f5c\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u901a\u904e\u78ba\u5b9a\u53ef\u6e05\u9664\u7684\u6578\u64da\u3001\u5099\u4efd\u6578\u64da\u3001\u4f7f\u7528SQL\u8a9e\u53e5\u548c\u5de5\u5177\u9032\u884c\u6e05\u7406\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5b9a\u671f\u9032\u884c\u6578\u64da\u6e05\u9664\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\uff0c\u78ba\u4fdd\u5176\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6578\u64da\u5eab\u6578\u64da\u6e05\u9664\u6280\u5de7\uff0c\u5b78\u7fd2\u6709\u6548\u65b9\u6cd5\u5b89\u5168\u522a\u9664\u4e0d\u5fc5\u8981\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\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-187246","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187246","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=187246"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187246\/revisions"}],"predecessor-version":[{"id":187247,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187246\/revisions\/187247"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}