# Re: Help me! SQL inner join problem

Posted by AndyLin on October 12, 1998 at 11:45:30:

In Reply to: Help me! SQL inner join problem posted by Dcu on October 11, 1998 at 23:51:55:

: 我有三个table以 inner join 产品名称作为关联，因每个table均有数值，
: 所以均以 select sum(数值) 取出栏位，并group by 产品，但是以此作出之
: 查询合计数均错误，应是资料笔数乘数的错误，请各位高明指较解决之道，
: 谢谢！

查查看在 join 过程中是否有多对多之情形

Follow Ups:

- Re: Help me! SQL inner join problem DCU 19:44:02 10/12/98 (0)