{"id":64994,"date":"2024-10-14T13:16:25","date_gmt":"2024-10-14T05:16:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64994\/"},"modified":"2024-10-14T13:16:25","modified_gmt":"2024-10-14T05:16:25","slug":"mssql%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%ef%bc%9a%e6%9b%b4%e9%ab%98%e6%95%88%e7%9a%84%e7%b5%b1%e8%a8%88%e6%96%b9%e6%b3%95%ef%bc%88mssql%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64994\/","title":{"rendered":"MSSQL\u5206\u985e\u6c42\u548c\uff1a\u66f4\u9ad8\u6548\u7684\u7d71\u8a08\u65b9\u6cd5\uff08mssql\u5206\u985e\u6c42\u548c\uff09"},"content":{"rendered":"<h1 id=\"mssql%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%ef%bc%9a%e6%9b%b4%e9%ab%98%e6%95%88%e7%9a%84%e7%b5%b1%e8%a8%88%e6%96%b9%e6%b3%95-QBTozxWtOk\">MSSQL\u5206\u985e\u6c42\u548c\uff1a\u66f4\u9ad8\u6548\u7684\u7d71\u8a08\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMSSQL\uff08Microsoft SQL Server\uff09\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u9032\u884c\u6578\u64da\u7d71\u8a08\u548c\u5206\u6790\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u9762\u81e8\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eMSSQL\u4e2d\u7684\u5206\u985e\u6c42\u548c\u6280\u8853\uff0c\u4e26\u4ecb\u7d39\u5176\u5728\u6578\u64da\u5206\u6790\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%ef%bc%9f-QBTozxWtOk\">\u4ec0\u9ebc\u662f\u5206\u985e\u6c42\u548c\uff1f<\/h2>\n<p>\u5206\u985e\u6c42\u548c\u662f\u4e00\u7a2e\u6578\u64da\u805a\u5408\u6280\u8853\uff0c\u901a\u5e38\u7528\u65bc\u5c0d\u6578\u64da\u9032\u884c\u5206\u7d44\u4e26\u8a08\u7b97\u6bcf\u7d44\u7684\u7e3d\u548c\u3002\u5728MSSQL\u4e2d\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528 <code>GROUP BY<\/code> \u5b50\u53e5\u4f86\u5be6\u73fe\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"mssql%e4%b8%ad%e7%9a%84%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%e8%aa%9e%e6%b3%95-QBTozxWtOk\">MSSQL\u4e2d\u7684\u5206\u985e\u6c42\u548c\u8a9e\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u9032\u884c\u5206\u985e\u6c42\u548c\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nSELECT \u5217\u540d1, SUM(\u5217\u540d2) AS \u7e3d\u548c\nFROM \u8868\u540d\nWHERE \u689d\u4ef6\nGROUP BY \u5217\u540d1;\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u7684\u542b\u7fa9\u662f\uff1a\u5f9e\u6307\u5b9a\u7684\u8868\u4e2d\u9078\u64c7\u67d0\u4e00\u5217\uff0c\u4e26\u5c0d\u53e6\u4e00\u5217\u9032\u884c\u6c42\u548c\uff0c\u6700\u7d42\u6839\u64da\u7b2c\u4e00\u5217\u7684\u503c\u9032\u884c\u5206\u7d44\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-QBTozxWtOk\">\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>Sales<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4ee5\u4e0b\u5217\uff1a<\/p>\n<ul>\n<li><code>ProductID<\/code> &#8211; \u7522\u54c1ID<\/li>\n<li><code>Quantity<\/code> &#8211; \u92b7\u552e\u6578\u91cf<\/li>\n<li><code>SaleDate<\/code> &#8211; \u92b7\u552e\u65e5\u671f<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u8a08\u7b97\u6bcf\u500b\u7522\u54c1\u7684\u7e3d\u92b7\u552e\u6578\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nSELECT ProductID, SUM(Quantity) AS TotalQuantity\nFROM Sales\nGROUP BY ProductID;\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u500b\u7522\u54c1\u7684ID\u53ca\u5176\u5c0d\u61c9\u7684\u7e3d\u92b7\u552e\u6578\u91cf\uff0c\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u54ea\u4e9b\u7522\u54c1\u7684\u92b7\u552e\u8868\u73fe\u8f03\u597d\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e5%88%86%e9%a1%9e%e6%b1%82%e5%92%8c%e7%9a%84%e6%8a%80%e5%b7%a7-QBTozxWtOk\">\u512a\u5316\u5206\u985e\u6c42\u548c\u7684\u6280\u5de7<\/h2>\n<p>\u5728\u9032\u884c\u5206\u985e\u6c42\u548c\u6642\uff0c\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u512a\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u70ba\u6d89\u53ca\u7684\u5217\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\uff1a<\/strong>\u5728 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u904e\u6ffe\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u6e1b\u5c11\u8a08\u7b97\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8996\u5716\uff1a<\/strong>\u5982\u679c\u67d0\u4e9b\u67e5\u8a62\u7d93\u5e38\u4f7f\u7528\uff0c\u53ef\u4ee5\u8003\u616e\u5275\u5efa\u8996\u5716\u4f86\u7c21\u5316\u67e5\u8a62\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-QBTozxWtOk\">\u7d50\u8ad6<\/h2>\n<p>MSSQL\u4e2d\u7684\u5206\u985e\u6c42\u548c\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5feb\u901f\u7372\u53d6\u6709\u50f9\u503c\u7684\u6578\u64da\u6d1e\u5bdf\u3002\u901a\u904e\u5408\u7406\u7684\u67e5\u8a62\u8a2d\u8a08\u548c\u512a\u5316\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u5c0d\u4f01\u696d\u7684\u6c7a\u7b56\u904e\u7a0b\u7522\u751f\u6df1\u9060\u7684\u5f71\u97ff\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u74b0\u5883\u4e2d\u904b\u884cMSSQL\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u5206\u985e\u6c42\u548c\u7684\u9ad8\u6548\u7d71\u8a08\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u904e\u7a0b\uff0c\u52a9\u529b\u696d\u52d9\u6c7a\u7b56\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-64994","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64994","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=64994"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64994\/revisions"}],"predecessor-version":[{"id":64995,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64994\/revisions\/64995"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=64994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=64994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=64994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}