{"id":187934,"date":"2024-11-11T18:24:23","date_gmt":"2024-11-11T10:24:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187934\/"},"modified":"2024-11-11T18:24:24","modified_gmt":"2024-11-11T10:24:24","slug":"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8mssql%e7%b2%be%e7%a2%ba%e8%a8%88%e7%ae%97%e6%af%8f%e5%b0%8f%e6%99%82%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%b1%e8%a8%88%e5%88%86%e6%9e%90%ef%bc%88mssql-%e6%8c%89%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187934\/","title":{"rendered":"\u6578\u64da\u5229\u7528MSSQL\u7cbe\u78ba\u8a08\u7b97\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u5206\u6790\uff08mssql \u6309\u5c0f\u6642\u7d71\u8a08\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8mssql%e7%b2%be%e7%a2%ba%e8%a8%88%e7%ae%97%e6%af%8f%e5%b0%8f%e6%99%82%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%b1%e8%a8%88%e5%88%86%e6%9e%90-BVkTjGwzZC\">\u6578\u64da\u5229\u7528MSSQL\u7cbe\u78ba\u8a08\u7b97\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u5206\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u4f01\u696d\u9700\u8981\u80fd\u5920\u5feb\u901f\u4e14\u6e96\u78ba\u5730\u5206\u6790\u6578\u64da\uff0c\u4ee5\u4fbf\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002Microsoft SQL Server\uff08MSSQL\uff09\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u9032\u884c\u6578\u64da\u7d71\u8a08\u5206\u6790\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528MSSQL\u9032\u884c\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u5206\u6790\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"mssql%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-BVkTjGwzZC\">MSSQL\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>MSSQL\u662f\u4e00\u500b\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u652f\u6301SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\uff0c\u5305\u62ec\u6578\u64da\u5b58\u5132\u3001\u67e5\u8a62\u3001\u5831\u544a\u548c\u5206\u6790\u3002\u5c0d\u65bc\u9700\u8981\u9032\u884c\u6642\u9593\u5e8f\u5217\u5206\u6790\u7684\u4f01\u696d\u4f86\u8aaa\uff0cMSSQL\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u8655\u7406\u548c\u5206\u6790\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%8c%89%e5%b0%8f%e6%99%82%e7%b5%b1%e8%a8%88%e6%95%b8%e6%93%9a%ef%bc%9f-BVkTjGwzZC\">\u70ba\u4ec0\u9ebc\u6309\u5c0f\u6642\u7d71\u8a08\u6578\u64da\uff1f<\/h2>\n<p>\u6309\u5c0f\u6642\u7d71\u8a08\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u5176\u696d\u52d9\u904b\u4f5c\u7684\u8da8\u52e2\u548c\u6a21\u5f0f\u3002\u9019\u7a2e\u5206\u6790\u53ef\u4ee5\u61c9\u7528\u65bc\u591a\u500b\u9818\u57df\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u7db2\u7ad9\u6d41\u91cf\u5206\u6790\uff1a\u4e86\u89e3\u6bcf\u5c0f\u6642\u7684\u8a2a\u554f\u91cf\uff0c\u5e6b\u52a9\u512a\u5316\u7db2\u7ad9\u6027\u80fd\u3002<\/li>\n<li>\u92b7\u552e\u6578\u64da\u5206\u6790\uff1a\u5206\u6790\u6bcf\u5c0f\u6642\u7684\u92b7\u552e\u984d\uff0c\u5e6b\u52a9\u5236\u5b9a\u4fc3\u92b7\u7b56\u7565\u3002<\/li>\n<li>\u7cfb\u7d71\u6027\u80fd\u76e3\u63a7\uff1a\u76e3\u63a7\u4f3a\u670d\u5668\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8mssql%e4%b8%ad%e9%80%b2%e8%a1%8c%e6%af%8f%e5%b0%8f%e6%99%82%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%b1%e8%a8%88-BVkTjGwzZC\">\u5982\u4f55\u5728MSSQL\u4e2d\u9032\u884c\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u805a\u5408\u51fd\u6578\u548cGROUP BY\u5b50\u53e5\u4f86\u9032\u884c\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>Sales<\/code>\u7684\u8868\u683c\uff0c\u8a72\u8868\u683c\u5305\u542b\u4e86\u92b7\u552e\u8a18\u9304\uff0c\u5305\u62ec\u92b7\u552e\u6642\u9593\u548c\u92b7\u552e\u91d1\u984d\u3002<\/p>\n<pre><code>SELECT \n    DATEPART(YEAR, SaleDate) AS SaleYear,\n    DATEPART(MONTH, SaleDate) AS SaleMonth,\n    DATEPART(DAY, SaleDate) AS SaleDay,\n    DATEPART(HOUR, SaleDate) AS SaleHour,\n    SUM(SaleAmount) AS TotalSales\nFROM \n    Sales\nWHERE \n    SaleDate &gt;= '2023-01-01' AND SaleDate &lt; &#039;2023-01-02&#039;\nGROUP BY \n    DATEPART(YEAR, SaleDate),\n    DATEPART(MONTH, SaleDate),\n    DATEPART(DAY, SaleDate),\n    DATEPART(HOUR, SaleDate)\nORDER BY \n    SaleYear, SaleMonth, SaleDay, SaleHour;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86<code>DATEPART<\/code>\u51fd\u6578\u4f86\u63d0\u53d6\u5e74\u4efd\u3001\u6708\u4efd\u3001\u65e5\u671f\u548c\u5c0f\u6642\uff0c\u7136\u5f8c\u4f7f\u7528<code>SUM<\/code>\u51fd\u6578\u4f86\u8a08\u7b97\u6bcf\u5c0f\u6642\u7684\u7e3d\u92b7\u552e\u984d\u3002<code>GROUP BY<\/code>\u5b50\u53e5\u5c07\u7d50\u679c\u6309\u5c0f\u6642\u5206\u7d44\uff0c<code>ORDER BY<\/code>\u5b50\u53e5\u5247\u78ba\u4fdd\u7d50\u679c\u6309\u6642\u9593\u9806\u5e8f\u6392\u5217\u3002<\/p>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e5%88%86%e6%9e%90%ef%bc%9a%e4%bd%bf%e7%94%a8cte%e9%80%b2%e8%a1%8c%e6%af%8f%e5%b0%8f%e6%99%82%e7%b5%b1%e8%a8%88-BVkTjGwzZC\">\u9032\u968e\u5206\u6790\uff1a\u4f7f\u7528CTE\u9032\u884c\u6bcf\u5c0f\u6642\u7d71\u8a08<\/h2>\n<p>\u5c0d\u65bc\u66f4\u8907\u96dc\u7684\u5206\u6790\uff0c\u53ef\u4ee5\u4f7f\u7528\u516c\u5171\u8868\u8868\u9054\u5f0f\uff08CTE\uff09\u4f86\u9032\u884c\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528CTE\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>WITH HourlySales AS (\n    SELECT \n        DATEPART(YEAR, SaleDate) AS SaleYear,\n        DATEPART(MONTH, SaleDate) AS SaleMonth,\n        DATEPART(DAY, SaleDate) AS SaleDay,\n        DATEPART(HOUR, SaleDate) AS SaleHour,\n        SUM(SaleAmount) AS TotalSales\n    FROM \n        Sales\n    GROUP BY \n        DATEPART(YEAR, SaleDate),\n        DATEPART(MONTH, SaleDate),\n        DATEPART(DAY, SaleDate),\n        DATEPART(HOUR, SaleDate)\n)\nSELECT \n    SaleYear, SaleMonth, SaleDay, SaleHour, TotalSales\nFROM \n    HourlySales\nWHERE \n    TotalSales &gt; 1000\nORDER BY \n    SaleYear, SaleMonth, SaleDay, SaleHour;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500bCTE\u4f86\u8a08\u7b97\u6bcf\u5c0f\u6642\u7684\u92b7\u552e\u984d\uff0c\u7136\u5f8c\u5728\u4e3b\u67e5\u8a62\u4e2d\u9078\u64c7\u90a3\u4e9b\u7e3d\u92b7\u552e\u984d\u8d85\u904e1000\u7684\u8a18\u9304\u3002\u9019\u6a23\u7684\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u5feb\u901f\u8b58\u5225\u51fa\u9ad8\u92b7\u552e\u6642\u6bb5\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-BVkTjGwzZC\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528MSSQL\u9032\u884c\u6bcf\u5c0f\u6642\u7684\u6578\u64da\u7d71\u8a08\u5206\u6790\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7406\u89e3\u5176\u696d\u52d9\u904b\u4f5c\uff0c\u4e26\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u901a\u904e\u4f7f\u7528\u805a\u5408\u51fd\u6578\u548cCTE\uff0c\u4f01\u696d\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u5927\u91cf\u6578\u64da\u4e2d\u63d0\u53d6\u6709\u50f9\u503c\u7684\u898b\u89e3\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5206\u6790\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u96f2\u670d\u52d9\u5668\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u5e36\u4f86\u66f4\u5927\u7684\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528MSSQL\u9032\u884c\u6bcf\u5c0f\u6642\u6578\u64da\u7d71\u8a08\u5206\u6790\uff0c\u7cbe\u78ba\u8a08\u7b97\u6578\u64da\u8da8\u52e2\uff0c\u52a9\u60a8\u505a\u51fa\u660e\u667a\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-187934","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187934","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=187934"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187934\/revisions"}],"predecessor-version":[{"id":187935,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187934\/revisions\/187935"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}