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 left join trans t on g.id = t.goods_id group by g.id having sum(count) > 20 and weight <50