{"id":200814,"date":"2025-05-06T10:05:45","date_gmt":"2025-05-06T02:05:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200814\/"},"modified":"2025-05-06T10:05:45","modified_gmt":"2025-05-06T02:05:45","slug":"sql%e6%9f%a5%e8%af%a2%e4%b8%ad%e7%ad%89%e4%ba%8e%e5%8f%b7%e4%b8%ba%e4%bd%95%e5%af%bc%e8%87%b4%e6%a8%a1%e7%b3%8a%e5%8c%b9%e9%85%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200814\/","title":{"rendered":"SQL\u67e5\u8be2\u4e2d\u201c\u7b49\u4e8e\u53f7\u201d\u4e3a\u4f55\u5bfc\u81f4\u201c\u6a21\u7cca\u201d\u5339\u914d\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>SQL\u67e5\u8be2\u4e2d\u201c\u7b49\u4e8e\u53f7\u201d\u4e3a\u4f55\u5bfc\u81f4\u201c\u6a21\u7cca\u201d\u5339\u914d\uff1f<\/h1>\n<p>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/173166934567372d61ed894.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>SQL\u67e5\u8be2\u4e2d\u201c\u7b49\u4e8e\u53f7\u201d\u5bfc\u81f4\u201c\u6a21\u7cca\u201d\u5339\u914d\u7684\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728MySQL\u4e2d\u4f7f\u7528SQL\u67e5\u8be2\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u4f7f\u7528\u201c\u7b49\u4e8e\u53f7\u201d\u8fdb\u884c\u5224\u65ad\uff0c\u4f46\u67e5\u8be2\u7ed3\u679c\u7c7b\u4f3c\u4e8e\u201c\u6a21\u7cca\u201d\u5339\u914d\u7684\u60c5\u51b5\u3002\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u7b54\u6848\u5728\u4e8e\u5b57\u6bb5\u7c7b\u578b\u3002\u5728\u60a8\u63d0\u4f9b\u7684SQL\u67e5\u8be2\u4e2d\uff0ca_temp_sw\u8868\u7684id\u5b57\u6bb5\u7c7b\u578b\u548cods_raw_order_po\u8868\u7684raw_order_po_id\u5b57\u6bb5\u7c7b\u578b\u53ef\u80fd\u4e0d\u5339\u914d\u3002\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u5c31\u4f1a\u51fa\u73b0\u6a21\u7cca\u5339\u914d\u95ee\u9898\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679ca_temp_sw\u8868\u7684id\u5b57\u6bb5\u7c7b\u578b\u4e3a\u5b57\u7b26\u578b\uff08CHAR\u6216VARCHAR\uff09\uff0c\u800cods_raw_order_po\u8868\u7684raw_order_po_id\u5b57\u6bb5\u7c7b\u578b\u4e3a\u6574\u578b\uff08INT\uff09\uff0c\u90a3\u4e48\u4f7f\u7528\u201c\u7b49\u4e8e\u53f7\u201d\u8fdb\u884c\u6bd4\u8f83\u65f6\uff0cMySQL\u4f1a\u5c06\u6574\u578b\u503c\u9690\u5f0f\u8f6c\u6362\u4e3a\u5b57\u7b26\u578b\u503c\u3002\u8fd9\u79cd\u8f6c\u6362\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6a21\u7cca\u5339\u914d\uff0c\u56e0\u4e3a\u5b57\u7b26\u578b\u503c\u7684\u6bd4\u8f83\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8bf7\u68c0\u67e5a_temp_sw\u8868\u7684id\u5b57\u6bb5\u7c7b\u578b\u548cods_raw_order_po\u8868\u7684raw_order_po_id\u5b57\u6bb5\u7c7b\u578b\u662f\u5426\u5339\u914d\u3002\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u8bf7\u4f7f\u7528\u663e\u5f0f\u8f6c\u6362\u51fd\u6570\u5c06\u503c\u8f6c\u6362\u4e3a\u5339\u914d\u7684\u7c7b\u578b\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aSQL\u67e5\u8be2\u4e2d\u201c\u7b49\u4e8e\u53f7\u201d\u4e3a\u4f55\u5bfc\u81f4\u201c\u6a21\u7cca\u201d\u5339\u914d\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>SQL\u67e5\u8be2\u4e2d\u201c\u7b49\u4e8e\u53f7\u201d\u4e3a\u4f55\u5bfc\u81f4\u201c&#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-200814","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200814","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=200814"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200814\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}