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 city, sum(total_amount) as total_order_amount
from orders a join customers b on a.customer_id=b.customer_id
group by city
order by total_order_amount desc, city

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