SQL Server 索引优化

技术2022-06-25 47

索引优化文章链接:

http://www.cnblogs.com/tintown/archive/2005/04/24/144272.html

http://news.csdn.net/n/20061207/98991.html

http://www.cnblogs.com/ASPNET2008/archive/2010/12/19/1910218.html

执行时间计算

declare @d datetimeset @d=getdate()

select * from user where UID >8000

select [语句执行花费时间(毫秒)]=datediff(ms,@d,getdate())

专利

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