令人兴奋的sql server 2005 分页功能
先来一段代码:WITH OrderedOrders AS
(SELECT *,
ROW_NUMBER() OVER (order by )as RowNumber --id是用来排序的列
FROM table_info ) --table_info是表名
SELECT *
FROM OrderedOrders
WHERE RowNumber between 50 and 60;
在windows server 2003, sql server 2005 CTP,P4 2.66GHZ,1GB 内存下测试,执行时间0秒 http://www.ljnid.cn/styles/default/images/smilies/icon_lol.gif ,表中数据量230万
接下来大批量的数据查询性能瓶颈就在count了,不知道sql server 2005在这方面有没有什么改进.
附另一种方法:
SELECT *
FROM (select *,ROW_NUMBER() Over(order by id) as rowNum from table_info ) as myTable
where rowNum between 50 and 60;
参考:
SQL Server 2005中的T-SQL增强
http://info.hustonline.net/document/doc.aspx?ID=1744
SQL Server 2005新功能-TSQL
http://play.365pop.net/InfoView/Article_80580.html
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