日期:2014-05-18 浏览次数:20497 次
set nocount on--75151448行数据 select count(*) from syscolumns a,syscolumns b,syscolumns c set statistics time on select top 10 * from(select a.name as name,left(b.name,10) as name1, checksum(newid()) as hash from syscolumns a,syscolumns b,syscolumns c )t where hash%100=0 set statistics time off set nocount off