发布网友 发布时间:2022-04-13 18:55
共3个回答
热心网友 时间:2022-04-13 20:24
先解释该怎么做;热心网友 时间:2022-04-13 21:42
select invno,sum(saamount),goods from tbsale group by invno,goods;热心网友 时间:2022-04-13 23:17
select invno,sum(saamount) saamount,goods from tbsale group by invno,goods;