{"id":76492,"date":"2024-10-16T07:07:15","date_gmt":"2024-10-15T23:07:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76492\/"},"modified":"2024-10-16T07:07:15","modified_gmt":"2024-10-15T23:07:15","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%86%e5%8d%80%e7%ae%a1%e7%90%86%e7%b4%b0%e7%af%80%e6%b1%ba%e5%ae%9a%e6%88%90%e6%95%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76492\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u5206\u5340\u7ba1\u7406\u7d30\u7bc0\u6c7a\u5b9a\u6210\u6557"},"content":{"rendered":"<h1 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id=\"%e5%88%86%e5%8d%80%e7%ae%a1%e7%90%86%e7%9a%84%e7%b4%b0%e7%af%80-kVwTAuUHQR\">\u5206\u5340\u7ba1\u7406\u7684\u7d30\u7bc0<\/h2>\n<p>\u5728\u5be6\u65bdMySQL\u6578\u64da\u5eab\u5206\u5340\u6642\uff0c\u6709\u5e7e\u500b\u95dc\u9375\u7684\u7ba1\u7406\u7d30\u7bc0\u9700\u8981\u8003\u616e\uff1a<\/p>\n<h3 id=\"1-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%88%86%e5%8d%80%e9%a1%9e%e5%9e%8b-kVwTAuUHQR\">1. \u9078\u64c7\u5408\u9069\u7684\u5206\u5340\u985e\u578b<\/h3>\n<p>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u548c\u67e5\u8a62\u6a21\u5f0f\u9078\u64c7\u5408\u9069\u7684\u5206\u5340\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6642\u9593\u5e8f\u5217\u6578\u64da\uff0c\u7bc4\u570d\u5206\u5340\u53ef\u80fd\u662f\u6700\u4f73\u9078\u64c7\uff0c\u800c\u5c0d\u65bc\u9700\u8981\u5747\u52fb\u5206\u4f48\u7684\u6578\u64da\uff0c\u54c8\u5e0c\u5206\u5340\u53ef\u80fd\u66f4\u5408\u9069\u3002<\/p>\n<pre><code>CREATE TABLE sales (\n    id INT,\n    sale_date DATE,\n    amount 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