日期:2014-05-18 浏览次数:20579 次
create table tb(n int)
insert tb select 1000 union select 800 union all select 1400
go
select (case when n>999 then reverse(stuff(reverse(convert(varchar,n)),4,0,',')) else convert(varchar,n) end)n from tb
go
drop table tb
/*
n
-------------------------------
800
1,000
1,400
(3 行受影响)
*/