# 我意思是 ......

Posted by kkcheung on June 22, 1999 at 14:19:56:

In Reply to: Re: 有关group by一问? posted by JOB on June 22, 1999 at 11:48:59:

: : select a,b,c,d from .... where .... group by ....
: : 假设 a,b 是文字串,c及d是数字.

: : 是否一定要group by 所有文字串栏位,例如 group by a,b or group by b,a
: : 是否在group by 的select句子中,数字栏位一定要sum(加总)?

: 你 GROUP BY 不是为了加总是为了什么?

我意思是只想加总c,不想加总d.

Follow Ups:

- Re: 我意思是 ...... 小吴 16:38:38 6/22/99 (0)