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,oi.order_num,
sum(oi.quantity*oi.item_price) as OrderTotal
from Orders as o
left join OrderItems as oi on o.order_num = oi.order_num
left join Customers as c on o.cust_id = c.cust_id

group by cust_name,order_num
order by cust_name,order_num

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10-19 14:15
兰州大学 Java
黄花菜豆:咱俩bg很一致啊uu而且我也做过这个仿小红书,感觉有点太深了短期内不好驾驭啊怕被问穿
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