{"id":181848,"date":"2024-11-09T19:30:19","date_gmt":"2024-11-09T11:30:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181848\/"},"modified":"2024-11-09T19:30:20","modified_gmt":"2024-11-09T11:30:20","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%e6%a7%8b%e5%bb%bamssql%e6%95%b8%e6%93%9a%e8%a1%a8%e6%8e%92%e5%ba%8f%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88mssql%e6%94%b9%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e6%8e%92","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181848\/","title":{"rendered":"\u6df1\u5165\u63a2\u7a76\u69cb\u5efaMSSQL\u6578\u64da\u8868\u6392\u5e8f\u7684\u65b9\u6cd5\uff08mssql\u6539\u6578\u64da\u8868\u7684\u6392\u5e8f\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%e6%a7%8b%e5%bb%bamssql%e6%95%b8%e6%93%9a%e8%a1%a8%e6%8e%92%e5%ba%8f%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88mssql%e6%94%b9%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e6%8e%92-jAXzMSpUKX\">\u6df1\u5165\u63a2\u7a76\u69cb\u5efaMSSQL\u6578\u64da\u8868\u6392\u5e8f\u7684\u65b9\u6cd5\uff08mssql\u6539\u6578\u64da\u8868\u7684\u6392\u5e8f\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6392\u5e8f\u662f\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u6642\u3002\u6392\u5e8f\u4e0d\u50c5\u5f71\u97ff\u67e5\u8a62\u7d50\u679c\u7684\u986f\u793a\u9806\u5e8f\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u7684\u53ef\u8b80\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728MSSQL\u4e2d\u69cb\u5efa\u548c\u4fee\u6539\u6578\u64da\u8868\u7684\u6392\u5e8f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e8%a1%a8%e6%8e%92%e5%ba%8f%ef%bc%9f-jAXzMSpUKX\">\u4ec0\u9ebc\u662f\u6578\u64da\u8868\u6392\u5e8f\uff1f<\/h2>\n<p>\u6578\u64da\u8868\u6392\u5e8f\u662f\u6307\u6839\u64da\u7279\u5b9a\u7684\u5217\u5c0d\u6578\u64da\u9032\u884c\u6392\u5217\u7684\u904e\u7a0b\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528SQL\u67e5\u8a62\u4e2d\u7684ORDER BY\u5b50\u53e5\u4f86\u5be6\u73fe\u3002\u6392\u5e8f\u53ef\u4ee5\u662f\u5347\u5e8f\uff08ASC\uff09\u6216\u964d\u5e8f\uff08DESC\uff09\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u4e00\u500b\u6216\u591a\u500b\u5217\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8order-by%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2%e6%8e%92%e5%ba%8f-jAXzMSpUKX\">\u4f7f\u7528ORDER BY\u9032\u884c\u67e5\u8a62\u6392\u5e8f<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u6700\u5e38\u898b\u7684\u6392\u5e8f\u65b9\u6cd5\u662f\u4f7f\u7528ORDER BY\u5b50\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM Customers\nORDER BY LastName ASC;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u67e5\u8a62\u5c07\u8fd4\u56deCustomers\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff0c\u4e26\u6839\u64daLastName\u5217\u9032\u884c\u5347\u5e8f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e9%bb%98%e8%aa%8d%e6%8e%92%e5%ba%8f-jAXzMSpUKX\">\u4fee\u6539\u6578\u64da\u8868\u7684\u9ed8\u8a8d\u6392\u5e8f<\/h2>\n<p>\u5982\u679c\u5e0c\u671b\u5728\u6578\u64da\u8868\u4e2d\u8a2d\u7f6e\u9ed8\u8a8d\u7684\u6392\u5e8f\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7d22\u5f15\u3002\u7d22\u5f15\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u53ef\u4ee5\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u5f71\u97ff\u6578\u64da\u7684\u5b58\u5132\u9806\u5e8f\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u57fa\u65bcLastName\u5217\u7684\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX IX_Customers_LastName\nON Customers (LastName);<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u67e5\u8a62Customers\u8868\u6642\uff0cMSSQL\u5c07\u512a\u5148\u8003\u616eLastName\u5217\u7684\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e8%a6%96%e5%9c%96%e9%80%b2%e8%a1%8c%e6%8e%92%e5%ba%8f-jAXzMSpUKX\">\u4f7f\u7528\u8996\u5716\u9032\u884c\u6392\u5e8f<\/h2>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528\u8996\u5716\u4f86\u5b9a\u7fa9\u6578\u64da\u7684\u986f\u793a\u65b9\u5f0f\u3002\u8996\u5716\u53ef\u4ee5\u5305\u542bORDER BY\u5b50\u53e5\uff0c\u9019\u6a23\u6bcf\u6b21\u67e5\u8a62\u8996\u5716\u6642\u90fd\u6703\u81ea\u52d5\u61c9\u7528\u6392\u5e8f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE VIEW SortedCustomers AS\nSELECT * FROM Customers\nORDER BY LastName ASC;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u7528\u6236\u67e5\u8a62SortedCustomers\u8996\u5716\u6642\uff0c\u5c07\u59cb\u7d42\u7372\u5f97\u6309LastName\u6392\u5e8f\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jAXzMSpUKX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u8868\u6392\u5e8f\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u6392\u5e8f\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u56e0\u6b64\uff0c\u61c9\u8b39\u614e\u4f7f\u7528ORDER 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