{"id":71061,"date":"2024-10-15T14:41:15","date_gmt":"2024-10-15T06:41:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/71061\/"},"modified":"2024-10-15T14:41:15","modified_gmt":"2024-10-15T06:41:15","slug":"mssql%e8%a6%96%e5%9c%96%e4%b8%ad%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e6%9c%89%e6%95%88%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%88mssql%e8%a6%96%e5%9c%96%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/71061\/","title":{"rendered":"MSSQL\u8996\u5716\u4e2d\u5982\u4f55\u5275\u5efa\u6709\u6548\u7684\u7d22\u5f15\uff08mssql\u8996\u5716\u5275\u5efa\u7d22\u5f15\uff09"},"content":{"rendered":"<h1 id=\"mssql%e8%a6%96%e5%9c%96%e4%b8%ad%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e6%9c%89%e6%95%88%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%88mssql%e8%a6%96%e5%9c%96%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95%ef%bc%89-StCbhuHuBV\">MSSQL\u8996\u5716\u4e2d\u5982\u4f55\u5275\u5efa\u6709\u6548\u7684\u7d22\u5f15\uff08mssql\u8996\u5716\u5275\u5efa\u7d22\u5f15\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u6642\u3002\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MSSQL\u8996\u5716\u4e2d\u5275\u5efa\u6709\u6548\u7684\u7d22\u5f15\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 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id=\"%e5%a6%82%e4%bd%95%e5%9c%a8mssql%e8%a6%96%e5%9c%96%e4%b8%ad%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-StCbhuHuBV\">\u5982\u4f55\u5728MSSQL\u8996\u5716\u4e2d\u5275\u5efa\u7d22\u5f15<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\u5728\u8996\u5716\u4e0a\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e5%8f%af%e7%b4%a2%e5%bc%95%e7%9a%84%e8%a6%96%e5%9c%96-StCbhuHuBV\">1. \u5275\u5efa\u4e00\u500b\u53ef\u7d22\u5f15\u7684\u8996\u5716<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u8996\u5716\u662f\u53ef\u7d22\u5f15\u7684\u3002\u6839\u64daMSSQL\u7684\u8981\u6c42\uff0c\u8996\u5716\u5fc5\u9808\u6eff\u8db3\u4ee5\u4e0b\u689d\u4ef6\uff1a<\/p>\n<ul>\n<li>\u8996\u5716\u5fc5\u9808\u662f\u57fa\u65bc\u55ae\u500bSELECT\u8a9e\u53e5\u3002<\/li>\n<li>\u8996\u5716\u4e0d\u80fd\u5305\u542bDISTINCT\u3001GROUP BY\u3001HAVING\u3001UNION\u7b49\u5b50\u53e5\u3002<\/li>\n<li>\u6240\u6709\u5217\u5fc5\u9808\u662f\u53ef\u8a08\u7b97\u7684\uff0c\u4e26\u4e14\u4e0d\u80fd\u5305\u542bTEXT\u3001NTEXT\u6216IMAGE\u985e\u578b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u53ef\u7d22\u5f15\u8996\u5716\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE VIEW dbo.MyIndexedView\nWITH SCHEMABINDING\nAS\nSELECT Column1, Column2\nFROM dbo.MyTable;<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-StCbhuHuBV\">2. \u5275\u5efa\u7d22\u5f15<\/h3>\n<p>\u4e00\u65e6\u8996\u5716\u5275\u5efa\u5b8c\u6210\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528CREATE INDEX\u8a9e\u53e5\u4f86\u5275\u5efa\u7d22\u5f15\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE UNIQUE CLUSTERED INDEX IX_MyIndexedView\nON dbo.MyIndexedView (Column1);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5728\u8996\u5716\u7684Column1\u5217\u4e0a\u5275\u5efa\u4e86\u4e00\u500b\u552f\u4e00\u7684\u805a\u96c6\u7d22\u5f15\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8a72\u5217\u7684\u503c\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 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