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）
http://www.nowcoder.com/practice/b5766f970ae64ac7944f37f5b47107aa
select c.cust_name,sum(item_price*quantity) total_price
from Orders o
join Customers c
on c.cust_id =o.cust_id
join OrderItems oi
on o.order_num =oi.order_num
group by c.cust_name
having total_price>=1000
order by total_price;
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