select ( sum( s.price
* s.num
) + sum( o.freight
) ) as total
from pro_sold as s, pro_order as o,sys_merchant as m
where s.store_id
=m.id
=o.store_id
group by s.store_id
水平有限,实在没看出问题在哪里。
简单描述一下,查询出来的数字实在是超出我的心理极限呀。
太大了!
这是哪里出问题了?