题解 | #返回顾客名称和相关订单号以及每个订单的总价#

返回顾客名称和相关订单号以及每个订单的总价

https://www.nowcoder.com/practice/4dda66e385c443d8a11570a70807d250

select c.cust_name,o.order_num,
sum(quantity*item_price) as OrderTotal
from Customers as c 
inner join Orders as o
on c.cust_id=o.cust_id
inner join OrderItems as ot
on o.order_num=ot.order_num
group by c.cust_name,ot.order_num
order by c.cust_name asc,ot.order_num asc;

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