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