{"id":66299,"date":"2024-10-14T16:16:15","date_gmt":"2024-10-14T08:16:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66299\/"},"modified":"2024-10-14T16:16:15","modified_gmt":"2024-10-14T08:16:15","slug":"mssql%e5%9c%a8%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%e4%b8%ad%e7%9a%84%e9%81%8b%e7%94%a8%ef%bc%88mssql%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66299\/","title":{"rendered":"MSSQL\u5728\u6578\u64da\u6bd4\u5c0d\u4e2d\u7684\u904b\u7528\uff08mssql\u6578\u64da\u6bd4\u5c0d\uff09"},"content":{"rendered":"<h1 id=\"mssql%e5%9c%a8%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%e4%b8%ad%e7%9a%84%e9%81%8b%e7%94%a8%ef%bc%88mssql%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%ef%bc%89-WbGJbJoXtu\">MSSQL\u5728\u6578\u64da\u6bd4\u5c0d\u4e2d\u7684\u904b\u7528\uff08mssql\u6578\u64da\u6bd4\u5c0d\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u6bd4\u5c0d\u6210\u70ba\u4e86\u4f01\u696d\u5206\u6790\u548c\u6c7a\u7b56\u7684\u91cd\u8981\u5de5\u5177\u3002Microsoft SQL Server\uff08MSSQL\uff09\u4f5c\u70ba\u4e00\u6b3e\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u6bd4\u5c0d\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0eMSSQL\u5728\u6578\u64da\u6bd4\u5c0d\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%e7%9a%84%e6%84%8f%e7%be%a9-WbGJbJoXtu\">\u6578\u64da\u6bd4\u5c0d\u7684\u610f\u7fa9<\/h2>\n<p>\u6578\u64da\u6bd4\u5c0d\u662f\u6307\u5c07\u5169\u500b\u6216\u591a\u500b\u6578\u64da\u96c6\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u8b58\u5225\u76f8\u4f3c\u6027\u548c\u5dee\u7570\u6027\u3002\u9019\u4e00\u904e\u7a0b\u5728\u6578\u64da\u6e05\u7406\u3001\u6578\u64da\u6574\u5408\u548c\u6578\u64da\u5206\u6790\u4e2d\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6578\u64da\u6bd4\u5c0d\uff0c\u4f01\u696d\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\uff0c\u5f9e\u800c\u63d0\u9ad8\u6c7a\u7b56\u7684\u8cea\u91cf\u3002<\/p>\n<h2 id=\"mssql%e7%9a%84%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%e5%8a%9f%e8%83%bd-WbGJbJoXtu\">MSSQL\u7684\u6578\u64da\u6bd4\u5c0d\u529f\u80fd<\/h2>\n<p>MSSQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u6bd4\u5c0d\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>JOIN\u64cd\u4f5c\uff1a<\/strong>\u901a\u904e\u4f7f\u7528INNER JOIN\u3001LEFT JOIN\u7b49\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u591a\u500b\u8868\u4e2d\u7684\u6578\u64da\u9032\u884c\u6bd4\u5c0d\u3002<\/li>\n<li><strong>EXCEPT\u548cINTERSECT\uff1a<\/strong>\u9019\u4e9b\u64cd\u4f5c\u7b26\u53ef\u4ee5\u7528\u4f86\u627e\u51fa\u5169\u500b\u67e5\u8a62\u7d50\u679c\u4e4b\u9593\u7684\u5dee\u7570\u6216\u4ea4\u96c6\u3002<\/li>\n<li><strong>CTE\uff08\u516c\u7528\u8868\u8868\u9054\u5f0f\uff09\uff1a<\/strong>CTE\u53ef\u4ee5\u7528\u4f86\u5275\u5efa\u81e8\u6642\u7d50\u679c\u96c6\uff0c\u4fbf\u65bc\u9032\u884c\u8907\u96dc\u7684\u6578\u64da\u6bd4\u5c0d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e7%a4%ba%e4%be%8b-WbGJbJoXtu\">\u5be6\u969b\u61c9\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528MSSQL\u9032\u884c\u6578\u64da\u6bd4\u5c0d\u7684\u7c21\u55ae\u793a\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a<code>Customers_A<\/code>\u548c<code>Customers_B<\/code>\uff0c\u6211\u5011\u5e0c\u671b\u627e\u51fa\u5728<code>Customers_A<\/code>\u4e2d\u4f46\u4e0d\u5728<code>Customers_B<\/code>\u4e2d\u7684\u5ba2\u6236\u3002<\/p>\n<pre><code>SELECT *\nFROM Customers_A\nEXCEPT\nSELECT *\nFROM Customers_B;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u6240\u6709\u5728<code>Customers_A<\/code>\u4e2d\u5b58\u5728\u4f46\u5728<code>Customers_B<\/code>\u4e2d\u4e0d\u5b58\u5728\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8join%e9%80%b2%e8%a1%8c%e6%af%94%e5%b0%8d-WbGJbJoXtu\">\u4f7f\u7528JOIN\u9032\u884c\u6bd4\u5c0d<\/h3>\n<p>\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u6bd4\u5c0d\u65b9\u6cd5\u662f\u4f7f\u7528JOIN\u64cd\u4f5c\u3002\u4ee5\u4e0b\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528INNER JOIN\u4f86\u627e\u51fa\u5169\u500b\u8868\u4e2d\u76f8\u540c\u7684\u5ba2\u6236\uff1a<\/p>\n<pre><code>SELECT A.CustomerID, A.CustomerName\nFROM Customers_A AS A\nINNER JOIN Customers_B AS B\nON A.CustomerID = B.CustomerID;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u5728\u5169\u500b\u8868\u4e2d\u90fd\u5b58\u5728\u7684\u5ba2\u6236ID\u548c\u5ba2\u6236\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%af%94%e5%b0%8d%e7%9a%84%e6%8c%91%e6%88%b0-WbGJbJoXtu\">\u6578\u64da\u6bd4\u5c0d\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1MSSQL\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u6bd4\u5c0d\u529f\u80fd\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4ecd\u7136\u9762\u81e8\u4e00\u4e9b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u8cea\u91cf\uff1a<\/strong>\u5982\u679c\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u5b58\u5728\u932f\u8aa4\uff0c\u5c07\u5f71\u97ff\u6bd4\u5c0d\u7d50\u679c\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u554f\u984c\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u8907\u96dc\u7684\u6bd4\u5c0d\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u6578\u64da\u683c\u5f0f\uff1a<\/strong>\u4e0d\u540c\u7684\u6578\u64da\u683c\u5f0f\u53ef\u80fd\u6703\u5f71\u97ff\u6bd4\u5c0d\u7684\u7d50\u679c\uff0c\u9700\u8981\u9032\u884c\u683c\u5f0f\u8f49\u63db\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-WbGJbJoXtu\">\u7d50\u8ad6<\/h2>\n<p>MSSQL\u5728\u6578\u64da\u6bd4\u5c0d\u4e2d\u63d0\u4f9b\u4e86\u591a\u7a2e\u5f37\u5927\u7684\u5de5\u5177\u548c\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528JOIN\u3001EXCEPT\u548cCTE\u7b49\u529f\u80fd\uff0c\u4f01\u696d\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\uff0c\u5f9e\u800c\u652f\u6301\u66f4\u597d\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u7ba1\u7406\u548c\u6bd4\u5c0d\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5728\u6578\u64da\u8655\u7406\u4e0a\u66f4\u4e0a\u4e00\u5c64\u6a13\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u5728\u6578\u64da\u6bd4\u5c0d\u4e2d\u7684\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u6e96\u78ba\u6027\u8207\u4e00\u81f4\u6027\uff0c\u52a9\u529b\u4f01\u696d\u6c7a\u7b56\u8207\u5206\u6790\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66299","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66299","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66299"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66299\/revisions"}],"predecessor-version":[{"id":66300,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66299\/revisions\/66300"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}