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