{"id":66007,"date":"2024-10-14T14:13:15","date_gmt":"2024-10-14T06:13:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66007\/"},"modified":"2024-10-14T14:13:15","modified_gmt":"2024-10-14T06:13:15","slug":"mssql%e6%b1%82%e5%90%8c%e5%90%8d%e5%ad%97%e6%b1%82%e5%92%8c%e7%9a%84%e7%b0%a1%e4%be%bf%e6%96%b9%e6%b3%95%ef%bc%88mssql%e7%9b%b8%e5%90%8c%e5%90%8d%e5%ad%97%e6%b1%82%e5%92%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66007\/","title":{"rendered":"MSSQL\u6c42\u540c\u540d\u5b57\u6c42\u548c\u7684\u7c21\u4fbf\u65b9\u6cd5\uff08mssql\u76f8\u540c\u540d\u5b57\u6c42\u548c\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%b1%82%e5%90%8c%e5%90%8d%e5%ad%97%e6%b1%82%e5%92%8c%e7%9a%84%e7%b0%a1%e4%be%bf%e6%96%b9%e6%b3%95%ef%bc%88mssql%e7%9b%b8%e5%90%8c%e5%90%8d%e5%ad%97%e6%b1%82%e5%92%8c%ef%bc%89-WPTMRtGQOK\">MSSQL\u6c42\u540c\u540d\u5b57\u6c42\u548c\u7684\u7c21\u4fbf\u65b9\u6cd5\uff08mssql\u76f8\u540c\u540d\u5b57\u6c42\u548c\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5c0d\u76f8\u540c\u540d\u7a31\u7684\u6578\u64da\u9032\u884c\u6c42\u548c\u64cd\u4f5c\u3002\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728MSSQL\u4e2d\u7c21\u4fbf\u5730\u5be6\u73fe\u76f8\u540c\u540d\u5b57\u7684\u6c42\u548c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WPTMRtGQOK\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u6c42\u548c\u64cd\u4f5c\u901a\u5e38\u4f7f\u7528\u805a\u5408\u51fd\u6578SUM()\u4f86\u5be6\u73fe\u3002\u7576\u6211\u5011\u9700\u8981\u5c0d\u67d0\u4e00\u5217\u7684\u6578\u64da\u9032\u884c\u6c42\u548c\u6642\uff0c\u901a\u5e38\u6703\u7d50\u5408GROUP BY\u8a9e\u53e5\u4f86\u5206\u7d44\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u5c07\u76f8\u540c\u540d\u7a31\u7684\u6578\u64da\u805a\u5408\u5728\u4e00\u8d77\uff0c\u4e26\u8a08\u7b97\u5176\u7e3d\u548c\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b%e6%95%b8%e6%93%9a%e8%a1%a8-WPTMRtGQOK\">\u7bc4\u4f8b\u6578\u64da\u8868<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>Sales<\/code>\u7684\u6578\u64da\u8868\uff0c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre>\n| ID | ProductName | Quantity |\n|----|-------------|----------|\n| 1  | Apple       | 10       |\n| 2  | Banana      | 20       |\n| 3  | Apple       | 15       |\n| 4  | Orange      | 5        |\n| 5  | Banana      | 10       |\n<\/pre>\n<h2 id=\"%e6%b1%82%e5%92%8c%e6%93%8d%e4%bd%9c-WPTMRtGQOK\">\u6c42\u548c\u64cd\u4f5c<\/h2>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u8a08\u7b97\u6bcf\u7a2e\u6c34\u679c\u7684\u7e3d\u92b7\u552e\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<pre>\nSELECT ProductName, SUM(Quantity) AS TotalQuantity\nFROM Sales\nGROUP BY ProductName;\n<\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u7684\u89e3\u91cb\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><code>SELECT ProductName<\/code>\uff1a\u9078\u64c7\u7522\u54c1\u540d\u7a31\u3002<\/li>\n<li><code>SUM(Quantity) AS TotalQuantity<\/code>\uff1a\u8a08\u7b97\u6bcf\u7a2e\u7522\u54c1\u7684\u6578\u91cf\u7e3d\u548c\uff0c\u4e26\u5c07\u7d50\u679c\u547d\u540d\u70ba<code>TotalQuantity<\/code>\u3002<\/li>\n<li><code>FROM Sales<\/code>\uff1a\u6307\u5b9a\u6578\u64da\u4f86\u6e90\u8868\u3002<\/li>\n<li><code>GROUP BY ProductName<\/code>\uff1a\u6839\u64da\u7522\u54c1\u540d\u7a31\u9032\u884c\u5206\u7d44\uff0c\u4ee5\u4fbf\u5c0d\u76f8\u540c\u540d\u7a31\u7684\u6578\u64da\u9032\u884c\u805a\u5408\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-WPTMRtGQOK\">\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u5f8c\uff0c\u5c07\u5f97\u5230\u4ee5\u4e0b\u7d50\u679c\uff1a<\/p>\n<pre>\n| ProductName | TotalQuantity |\n|-------------|---------------|\n| Apple       | 25            |\n| Banana      | 30            |\n| Orange      | 5             |\n<\/pre>\n<p>\u5f9e\u7d50\u679c\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cApple\u7684\u7e3d\u92b7\u552e\u91cf\u70ba25\uff0cBanana\u7684\u7e3d\u92b7\u552e\u91cf\u70ba30\uff0c\u800cOrange\u7684\u7e3d\u92b7\u552e\u91cf\u70ba5\u3002<\/p>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e6%87%89%e7%94%a8-WPTMRtGQOK\">\u9032\u968e\u61c9\u7528<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u6c42\u548c\u64cd\u4f5c\u5916\uff0c\u9084\u53ef\u4ee5\u7d50\u5408\u5176\u4ed6\u689d\u4ef6\u9032\u884c\u66f4\u8907\u96dc\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u53ea\u60f3\u8a08\u7b97\u92b7\u552e\u91cf\u5927\u65bc10\u7684\u7522\u54c1\uff0c\u53ef\u4ee5\u5728\u67e5\u8a62\u4e2d\u6dfb\u52a0<code>HAVING<\/code>\u5b50\u53e5\uff1a<\/p>\n<pre>\nSELECT ProductName, SUM(Quantity) AS TotalQuantity\nFROM Sales\nGROUP BY ProductName\nHAVING SUM(Quantity) &gt; 10;\n<\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u53ea\u8fd4\u56de\u92b7\u552e\u91cf\u7e3d\u548c\u5927\u65bc10\u7684\u7522\u54c1\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WPTMRtGQOK\">\u7e3d\u7d50<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u5c0d\u65bc\u76f8\u540c\u540d\u7a31\u7684\u6578\u64da\u9032\u884c\u6c42\u548c\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528<code>SUM()<\/code>\u51fd\u6578\u548c<code>GROUP BY<\/code>\u8a9e\u53e5\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u805a\u5408\u6578\u64da\u4e26\u8a08\u7b97\u7e3d\u548c\u3002\u9019\u4e9b\u57fa\u672c\u7684SQL\u67e5\u8a62\u6280\u5de7\u5c0d\u65bc\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u751f\u6210\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684MSSQL\u6578\u64da\u5eab\u3002\u900f\u904e\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u6027\u80fd\uff0c\u60a8\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\uff0c\u63d0\u5347\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u4e2d\u7c21\u4fbf\u7684\u76f8\u540c\u540d\u5b57\u6c42\u548c\u65b9\u6cd5\uff0c\u8f15\u9b06\u8655\u7406\u6578\u64da\u805a\u5408\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\u8207\u6e96\u78ba\u6027\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-66007","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66007","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=66007"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66007\/revisions"}],"predecessor-version":[{"id":66008,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66007\/revisions\/66008"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}