题解 | #返回订单数量总和不小于100的所有订单的订单号#
返回订单数量总和不小于100的所有订单的订单号
https://www.nowcoder.com/practice/ff77e82b59544a15987324e19488aafd
select
order_num
from
OrderItems
group by
order_num
having
sum(quantity) >= 100
order by
order_num
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