题解 | #返回购买价格为 10 美元或以上产品的顾客列表#
返回购买价格为 10 美元或以上产品的顾客列表
https://www.nowcoder.com/practice/827eb2a210c64ccdb8ec28fe4c50c246
表连接
select
t1.cust_id
from
OrderItems t
inner join Orders t1 on t.order_num = t1.order_num
where
t.item_price >= 10
子查询
select
cust_id
from
Orders
where
order_num in (
select
order_num
from
OrderItems
group by
order_num
having
sum(item_price) >= 10
)
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