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 t.goods_id,g.name,g.weight,sum(count) as total from trans t left join goods g on g.id=t.goods_id where g.weight<50 group by 1,2 having sum(count)>20 order by 1