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
select c.cust_name, sum(oi.item_price*oi.quantity) as total_price from Orders as o inner join OrderItems as oi on o.order_num = oi.order_num inner join Customers as c on o.cust_id = c.cust_id group by cust_name having total_price>=1000 order by total_price
