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