{"id":66345,"date":"2024-10-14T16:41:15","date_gmt":"2024-10-14T08:41:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66345\/"},"modified":"2024-10-14T16:41:15","modified_gmt":"2024-10-14T08:41:15","slug":"mssql%e4%b8%ad%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%e7%9a%84%e6%87%89%e7%94%a8%e8%88%87%e5%af%a6%e8%b8%90%ef%bc%88mssql%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66345\/","title":{"rendered":"MSSQL\u4e2d\u806f\u5408\u67e5\u8a62\u7684\u61c9\u7528\u8207\u5be6\u8e10\uff08mssql\u806f\u5408\u67e5\u8a62\uff09"},"content":{"rendered":"<h1 id=\"mssql%e4%b8%ad%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%e7%9a%84%e6%87%89%e7%94%a8%e8%88%87%e5%af%a6%e8%b8%90%ef%bc%88mssql%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%ef%bc%89-gVqRFvNzCD\">MSSQL\u4e2d\u806f\u5408\u67e5\u8a62\u7684\u61c9\u7528\u8207\u5be6\u8e10\uff08mssql\u806f\u5408\u67e5\u8a62\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u67e5\u8a62\u662f\u7528\u4f86\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u806f\u5408\u67e5\u8a62\uff08Union Query\uff09\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u63a2\u8a0eMSSQL\u4e2d\u806f\u5408\u67e5\u8a62\u7684\u61c9\u7528\u8207\u5be6\u8e10\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u4f7f\u7528\u5834\u666f\u53ca\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%ef%bc%9f-gVqRFvNzCD\">\u4ec0\u9ebc\u662f\u806f\u5408\u67e5\u8a62\uff1f<\/h2>\n<p>\u806f\u5408\u67e5\u8a62\u662f\u6307\u5c07\u5169\u500b\u6216\u591a\u500bSELECT\u8a9e\u53e5\u7684\u7d50\u679c\u5408\u4f75\u6210\u4e00\u500b\u7d50\u679c\u96c6\u3002\u9019\u4e9bSELECT\u8a9e\u53e5\u5fc5\u9808\u5177\u6709\u76f8\u540c\u7684\u5217\u6578\u548c\u76f8\u4f3c\u7684\u6578\u64da\u985e\u578b\u3002\u806f\u5408\u67e5\u8a62\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5f9e\u4e0d\u540c\u7684\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\uff0c\u4e26\u5c07\u5176\u6574\u5408\u5728\u4e00\u8d77\uff0c\u4ee5\u4fbf\u9032\u884c\u66f4\u5168\u9762\u7684\u5206\u6790\u3002<\/p>\n<h2 id=\"%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-gVqRFvNzCD\">\u806f\u5408\u67e5\u8a62\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u806f\u5408\u67e5\u8a62\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table1\nUNION\nSELECT column1, column2, ...\nFROM table2;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cUNION\u64cd\u4f5c\u7b26\u6703\u81ea\u52d5\u53bb\u9664\u91cd\u8907\u7684\u8a18\u9304\u3002\u5982\u679c\u5e0c\u671b\u4fdd\u7559\u91cd\u8907\u7684\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528UNION ALL\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table1\nUNION ALL\nSELECT column1, column2, ...\nFROM table2;<\/code><\/pre>\n<h2 id=\"%e8%81%af%e5%90%88%e6%9f%a5%e8%a9%a2%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-gVqRFvNzCD\">\u806f\u5408\u67e5\u8a62\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u806f\u5408\u67e5\u8a62\u5728\u591a\u7a2e\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u5408\u4f86\u81ea\u4e0d\u540c\u8868\u7684\u6578\u64da\uff1a<\/strong>\u7576\u6578\u64da\u5206\u6563\u5728\u591a\u500b\u8868\u4e2d\u6642\uff0c\u806f\u5408\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5c07\u9019\u4e9b\u6578\u64da\u6574\u5408\u5728\u4e00\u8d77\uff0c\u4fbf\u65bc\u9032\u884c\u5206\u6790\u3002<\/li>\n<li><strong>\u5831\u544a\u751f\u6210\uff1a<\/strong>\u5728\u751f\u6210\u5831\u544a\u6642\uff0c\u53ef\u80fd\u9700\u8981\u5f9e\u4e0d\u540c\u7684\u6578\u64da\u6e90\u4e2d\u63d0\u53d6\u4fe1\u606f\uff0c\u806f\u5408\u67e5\u8a62\u53ef\u4ee5\u7c21\u5316\u9019\u4e00\u904e\u7a0b\u3002<\/li>\n<li><strong>\u6578\u64da\u9077\u79fb\uff1a<\/strong>\u5728\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5c07\u4f86\u81ea\u4e0d\u540c\u8868\u7684\u6578\u64da\u5408\u4f75\u5230\u4e00\u500b\u65b0\u7684\u8868\u4e2d\uff0c\u806f\u5408\u67e5\u8a62\u53ef\u4ee5\u6709\u6548\u5730\u5b8c\u6210\u9019\u4e00\u4efb\u52d9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e8%b8%90%e7%a4%ba%e4%be%8b-gVqRFvNzCD\">\u5be6\u8e10\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u806f\u5408\u67e5\u8a62\u4f86\u6574\u5408\u4f86\u81ea\u4e0d\u540c\u8868\u7684\u6578\u64da\u3002\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1aCustomers\u548cSuppliers\uff0c\u5169\u8005\u90fd\u6709\u76f8\u540c\u7684\u5217\uff1aName\u548cCity\u3002<\/p>\n<pre><code>SELECT Name, City\nFROM Customers\nUNION\nSELECT Name, City\nFROM Suppliers;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5ba2\u6236\u548c\u4f9b\u61c9\u5546\u7684\u540d\u7a31\u53ca\u57ce\u5e02\uff0c\u4e26\u81ea\u52d5\u53bb\u9664\u91cd\u8907\u7684\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-gVqRFvNzCD\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u806f\u5408\u67e5\u8a62\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u6240\u6709SELECT\u8a9e\u53e5\u5fc5\u9808\u8fd4\u56de\u76f8\u540c\u6578\u91cf\u7684\u5217\uff0c\u4e14\u5c0d\u61c9\u5217\u7684\u6578\u64da\u985e\u578b\u5fc5\u9808\u76f8\u4f3c\u3002<\/li>\n<li>UNION\u64cd\u4f5c\u7b26\u6703\u81ea\u52d5\u53bb\u9664\u91cd\u8907\u7684\u8a18\u9304\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li>\u4f7f\u7528UNION ALL\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u9700\u6ce8\u610f\u53ef\u80fd\u6703\u8fd4\u56de\u91cd\u8907\u7684\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gVqRFvNzCD\">\u7e3d\u7d50<\/h2>\n<p>\u806f\u5408\u67e5\u8a62\u5728MSSQL\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5f9e\u591a\u500b\u6578\u64da\u6e90\u4e2d\u6574\u5408\u4fe1\u606f\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u806f\u5408\u67e5\u8a62\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\uff0c\u4e26\u7c21\u5316\u5831\u544a\u751f\u6210\u7684\u904e\u7a0b\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\uff0c\u4e86\u89e3\u806f\u5408\u67e5\u8a62\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u6ce8\u610f\u4e8b\u9805\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3001<a href=\"https:\/\/server.hk\">\u670d\u52a1\u5668<\/a>\u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u4e2d\u806f\u5408\u67e5\u8a62\u7684\u61c9\u7528\u8207\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u6574\u5408\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u5be6\u73fe\u9748\u6d3b\u6578\u64da\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-66345","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66345","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=66345"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66345\/revisions"}],"predecessor-version":[{"id":66346,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66345\/revisions\/66346"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}