题解 | #确定最佳顾客的另一种方式（二）#
确定最佳顾客的另一种方式（二）
https://www.nowcoder.com/practice/b5766f970ae64ac7944f37f5b47107aa
-- 三表连结inner join写法
select
cust_name,
sum(item_price * quantity) total_price
from
OrderItems
inner join Orders on OrderItems.order_num = Orders.order_num
inner join Customers on Customers.cust_id = Orders.cust_id
group by
cust_name
having
total_price >= 1000
order by
total_price
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