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

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