题解 | 商品交易(网易校招笔试真题)
商品交易(网易校招笔试真题)
https://www.nowcoder.com/practice/f257dfc1b55e42e19eec004aa3cb4174
select g.id id,name,weight,sum(count) as total from goods g inner join trans t on g.id=t.goods_id group by g.id having g.weight<50 and sum(count)>20 order by g.id #group by+having