{"id":193949,"date":"2024-11-13T02:30:19","date_gmt":"2024-11-12T18:30:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193949\/"},"modified":"2024-11-13T02:30:21","modified_gmt":"2024-11-12T18:30:21","slug":"%e4%b8%80%e6%ac%a1mysql%e8%aa%a4%e6%93%8d%e4%bd%9c%e5%b0%8e%e8%87%b4%e7%9a%84%e4%ba%8b%e6%95%85%ef%bc%8c%e3%80%8c%e9%ab%98%e5%8f%af%e7%94%a8%e3%80%8d%e9%83%bd%e9%a0%82%e4%b8%8d%e4%bd%8f%e4%ba%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193949\/","title":{"rendered":"\u4e00\u6b21MySQL\u8aa4\u64cd\u4f5c\u5c0e\u81f4\u7684\u4e8b\u6545\uff0c\u300c\u9ad8\u53ef\u7528\u300d\u90fd\u9802\u4e0d\u4f4f\u4e86\uff01"},"content":{"rendered":"<h1 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id=\"%e8%aa%a4%e6%93%8d%e4%bd%9c%e7%9a%84%e7%99%bc%e7%94%9f-xDsSWAyaBt\">\u8aa4\u64cd\u4f5c\u7684\u767c\u751f<\/h2>\n<p>\u4e8b\u6545\u767c\u751f\u5728\u4e00\u6b21\u4f8b\u884c\u7684\u6578\u64da\u5eab\u7dad\u8b77\u4e2d\u3002\u7cfb\u7d71\u7ba1\u7406\u54e1\u5728\u9032\u884c\u6578\u64da\u6e05\u7406\u6642\uff0c\u8aa4\u57f7\u884c\u4e86\u4e00\u689d\u522a\u9664\u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u4e0d\u50c5\u522a\u9664\u4e86\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u9084\u610f\u5916\u5730\u5f71\u97ff\u4e86\u4e3b\u6578\u64da\u5eab\u4e2d\u7684\u95dc\u9375\u6578\u64da\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u7ba1\u7406\u54e1\u57f7\u884c\u4e86\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM orders WHERE order_date &lt; &#039;2022-01-01&#039;;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u7684\u672c\u610f\u662f\u522a\u9664\u904e\u671f\u7684\u8a02\u55ae\u6578\u64da\uff0c\u4f46\u7531\u65bc\u7f3a\u4e4f\u9069\u7576\u7684\u689d\u4ef6\u9650\u5236\uff0c\u5c0e\u81f4\u4e86\u5927\u91cf\u6709\u6548\u8a02\u55ae\u7684\u4e1f\u5931\u3002\u66f4\u7cdf\u7cd5\u7684\u662f\uff0c\u4e3b\u5f9e\u8907\u88fd\u67b6\u69cb\u4e2d\u7684\u5f9e\u6578\u64da\u5eab\u4e5f\u96a8\u4e4b\u66f4\u65b0\uff0c\u5c0e\u81f4\u6240\u6709\u6578\u64da\u5eab\u5be6\u4f8b\u90fd\u5931\u53bb\u4e86\u9019\u4e9b\u95dc\u9375\u6578\u64da\u3002<\/p>\n<h2 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