{"id":201096,"date":"2025-05-06T08:05:51","date_gmt":"2025-05-06T00:05:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201096\/"},"modified":"2025-05-06T08:05:51","modified_gmt":"2025-05-06T00:05:51","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-mysql-%e6%9f%a5%e8%af%a2%e6%89%be%e5%87%ba%e5%8c%85%e5%90%ab%e9%87%8d%e5%a4%8d%e6%95%b0%e6%8d%ae%e7%9a%84%e8%ae%b0%e5%bd%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201096\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 MySQL \u67e5\u8be2\u627e\u51fa\u5305\u542b\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 MySQL \u67e5\u8be2\u627e\u51fa\u5305\u542b\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\uff1f<\/h1>\n<p>\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u4e3b\u673a\u5b9d\u8d1d\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241201\/1733016466674bbb9209fe0.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u67e5\u627e\u91cd\u590d\u6570\u636e\u7684 mysql \u67e5\u8be2<\/strong><\/p>\n<p>\u5728\u5b9e\u9645\u6570\u636e\u64cd\u4f5c\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u67e5\u627e\u5305\u542b\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\u3002mysql \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u89e3\u51b3\u6b64\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u67e5\u627e\u540c\u65f6\u5177\u6709\u91cd\u590d zxtid \u548c billuuid \u5b57\u6bb5\u7684\u6240\u6709\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>select *\nfrom wx_material\nwhere exists (\n    select 1\n    from wx_material\n    where zxtid = wx_material.zxtid and billuuid = wx_material.billuuid\n    group by zxtid, billuuid\n    having count(*) &gt; 1\n)<\/pre>\n<p>\u6b64\u67e5\u8be2\u4f7f\u7528\u5185\u90e8\u67e5\u8be2\u6765\u67e5\u627e\u5b58\u5728\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\uff0c\u7136\u540e\u8fd4\u56de\u5305\u542b\u8fd9\u4e9b\u8bb0\u5f55\u7684\u5916\u90e8\u67e5\u8be2\u3002\u7ed3\u679c\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>id   zxtId     billUuid   add\n1    123       A009       0309\u53f7\n2    123       A009       0310\u53f7\n3    126       A011       0315\u53f7\n4    126       A011       0322\u53f7<\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6b64\u67e5\u8be2\u8fd4\u56de\u5305\u542b\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u663e\u793a\u5355\u4e2a\u8bb0\u5f55\u3002<\/p>\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\u4f7f\u7528 MySQL \u67e5\u8be2\u627e\u51fa\u5305\u542b\u91cd\u590d\u6570\u636e\u7684\u8bb0\u5f55\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\u4f7f\u7528 MySQL \u67e5\u8be2\u627e\u51fa\u5305&#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-201096","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201096","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=201096"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201096\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}