{"id":200229,"date":"2025-05-06T11:09:43","date_gmt":"2025-05-06T03:09:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200229\/"},"modified":"2025-05-06T11:09:43","modified_gmt":"2025-05-06T03:09:43","slug":"%e5%a6%82%e4%bd%95%e9%ab%98%e6%95%88%e6%9f%a5%e8%af%a2%e5%ae%8c%e6%88%90%e6%89%80%e6%9c%89%e4%bb%bb%e5%8a%a1%e7%9a%84%e7%94%a8%e6%88%b7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200229\/","title":{"rendered":"\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237\uff1f<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241029\/173018274167207e5527169.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237<\/strong><\/p>\n<p>\u5728\u4e00\u4e2a\u4efb\u52a1\u8fdb\u5ea6\u8868\u4e2d\uff0c\u5b58\u5728\u591a\u6761\u4efb\u52a1\u8bb0\u5f55\uff0c\u4e14\u6bcf\u4f4d\u7528\u6237\u4e00\u5b9a\u662f\u6240\u6709\u4e09\u6761\u4efb\u52a1\u90fd\u5b58\u5728\u3002<\/p>\n<p><strong>\u9700\u6c42\uff1a<\/strong>\u8ba1\u7b97\u5b8c\u6210\u6240\u6709\u4e09\u4e2a\u4efb\u52a1\u7684\u4eba\u6570<\/p>\n<p><strong>\u9ad8\u6548\u67e5\u8be2\uff1a<\/strong><\/p>\n<pre>select user_id from test where status=1 group by user_id having count(*)=3<\/pre>\n<p><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<ul>\n<li>\u9996\u5148\u7b5b\u9009\u51fa status=1 \u7684\u5b8c\u6210\u7684\u4efb\u52a1\u8bb0\u5f55\u3002<\/li>\n<li>\u968f\u540e\u6309 user_id \u5206\u7ec4\uff0c\u7edf\u8ba1\u6bcf\u4e2a\u7528\u6237\u7684\u5b8c\u6210\u4efb\u52a1\u6570\u3002<\/li>\n<li>\u6700\u540e\u4f7f\u7528 having count(*)=3 \u8fc7\u6ee4\u51fa\u5b8c\u6210\u6240\u6709\u4e09\u4e2a\u4efb\u52a1\u7684\u7528\u6237\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u9ad8\u6548\u67e5\u8be2\u5b8c\u6210\u6240\u6709\u4efb\u52a1\u7684\u7528\u6237\uff1f&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200229","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200229","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200229"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200229\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}