{"id":66009,"date":"2024-10-14T14:14:02","date_gmt":"2024-10-14T06:14:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66009\/"},"modified":"2024-10-14T14:14:02","modified_gmt":"2024-10-14T06:14:02","slug":"mssql%e5%8f%96%e5%be%97%e5%b9%b4%e6%9c%88%e6%97%a5%e6%9c%9f%ef%bc%9a%e4%b8%80%e7%a8%ae%e9%ab%98%e6%95%88%e7%9a%84%e7%b7%a8%e7%a8%8b%e6%96%b9%e5%bc%8f%ef%bc%88mssql%e5%8f%96%e5%be%97%e5%b9%b4%e6%9c%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66009\/","title":{"rendered":"MSSQL\u53d6\u5f97\u5e74\u6708\u65e5\u671f\uff1a\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u65b9\u5f0f\uff08mssql\u53d6\u5f97\u5e74\u6708\uff09"},"content":{"rendered":"

MSSQL\u53d6\u5f97\u5e74\u6708\u65e5\u671f\uff1a\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u65b9\u5f0f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528 Microsoft SQL Server (MSSQL) \u6642\u3002\u7121\u8ad6\u662f\u9032\u884c\u6578\u64da\u5206\u6790\u3001\u5831\u544a\u751f\u6210\uff0c\u9084\u662f\u6578\u64da\u7be9\u9078\uff0c\u6b63\u78ba\u5730\u53d6\u5f97\u5e74\u6708\u65e5\u671f\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 MSSQL \u4e2d\u9ad8\u6548\u5730\u53d6\u5f97\u5e74\u6708\u65e5\u671f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u53d6\u5f97\u5e74\u6708\u65e5\u671f<\/h2>\n

\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u65e5\u671f\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u751f\u6210\u6bcf\u6708\u5831\u544a\u6216\u9032\u884c\u6578\u64da\u7d71\u8a08\u6642\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u5e74\u6708\u4fe1\u606f\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u6578\u64da\u7684\u7be9\u9078\u548c\u67e5\u8a62\uff0c\u5e74\u6708\u65e5\u671f\u7684\u63d0\u53d6\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u7cbe\u78ba\u5730\u5b9a\u4f4d\u6240\u9700\u6578\u64da\u3002<\/p>\n

MSSQL\u4e2d\u53d6\u5f97\u5e74\u6708\u65e5\u671f\u7684\u65b9\u6cd5<\/h2>\n

\u5728 MSSQL \u4e2d\uff0c\u53d6\u5f97\u5e74\u6708\u65e5\u671f\u7684\u65b9\u5f0f\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528FORMAT\u51fd\u6578<\/h3>\n

FORMAT\u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u9748\u6d3b\u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u4f86\u683c\u5f0f\u5316\u65e5\u671f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528FORMAT\u51fd\u6578\u53d6\u5f97\u5e74\u6708\u7684\u7bc4\u4f8b\uff1a<\/p>\n

SELECT FORMAT(GETDATE(), 'yyyy-MM') AS YearMonth;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684\u5e74\u6708\uff0c\u683c\u5f0f\u70ba\u201cYYYY-MM\u201d\u3002<\/p>\n
2. \u4f7f\u7528CONVERT\u51fd\u6578<\/h3>\n
CONVERT\u51fd\u6578\u4e5f\u53ef\u4ee5\u7528\u4f86\u683c\u5f0f\u5316\u65e5\u671f\uff0c\u4ee5\u4e0b\u662f\u7bc4\u4f8b\uff1a<\/p>\n
SELECT CONVERT(VARCHAR(7), GETDATE(), 120) AS YearMonth;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u540c\u6a23\u6703\u8fd4\u56de\u7576\u524d\u65e5\u671f\u7684\u5e74\u6708\uff0c\u683c\u5f0f\u70ba\u201cYYYY-MM\u201d\u3002<\/p>\n
3. \u4f7f\u7528DATEPART\u51fd\u6578<\/h3>\n
\u5982\u679c\u9700\u8981\u5206\u5225\u53d6\u5f97\u5e74\u4efd\u548c\u6708\u4efd\uff0c\u53ef\u4ee5\u4f7f\u7528DATEPART\u51fd\u6578\uff1a<\/p>\n
SELECT \n    DATEPART(YEAR, GETDATE()) AS Year, \n    DATEPART(MONTH, GETDATE()) AS Month;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u5206\u5225\u8fd4\u56de\u7576\u524d\u7684\u5e74\u4efd\u548c\u6708\u4efd\u3002<\/p>\n
\u5be6\u969b\u61c9\u7528\u7bc4\u4f8b<\/h2>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cSales\u201d\u7684\u8868\u683c\uff0c\u88e1\u9762\u6709\u4e00\u500b\u201cSaleDate\u201d\u6b04\u4f4d\uff0c\u8a18\u9304\u4e86\u6bcf\u7b46\u92b7\u552e\u7684\u65e5\u671f\u3002\u6211\u5011\u5e0c\u671b\u7d71\u8a08\u6bcf\u500b\u6708\u7684\u92b7\u552e\u7e3d\u984d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n
SELECT \n    FORMAT(SaleDate, 'yyyy-MM') AS YearMonth, \n    SUM(Amount) AS TotalSales\nFROM \n    Sales\nGROUP BY \n    FORMAT(SaleDate, 'yyyy-MM')\nORDER BY \n    YearMonth;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u6bcf\u500b\u6708\u7684\u92b7\u552e\u7e3d\u984d\uff0c\u4e26\u6309\u5e74\u6708\u6392\u5e8f\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728 MSSQL \u4e2d\uff0c\u53d6\u5f97\u5e74\u6708\u65e5\u671f\u7684\u65b9\u5f0f\u591a\u7a2e\u591a\u6a23\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u4f7f\u7528FORMAT\u3001CONVERT\u9084\u662fDATEPART\u51fd\u6578\uff0c\u90fd\u80fd\u6709\u6548\u5730\u63d0\u53d6\u6240\u9700\u7684\u65e5\u671f\u4fe1\u606f\u3002\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7de8\u7a0b\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u9ad8\u6548\u7684MSSQL\u7de8\u7a0b\u65b9\u5f0f\uff0c\u8f15\u9b06\u53d6\u5f97\u5e74\u6708\u65e5\u671f\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u64cd\u4f5c\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-66009","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66009","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=66009"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66009\/revisions"}],"predecessor-version":[{"id":66010,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66009\/revisions\/66010"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}