题解 | 用户订单信息查询
用户订单信息查询
https://www.nowcoder.com/practice/dccec8456d774169925c0d50843ea076
select c.city, sum(o.total_amount) as total_order_amount from orders o left join customers c on o.customer_id=c.customer_id group by c.city order by total_order_amount desc,c.city asc
