题解 | 每个客户的账户总金额
每个客户的账户总金额
https://www.nowcoder.com/practice/19f0bc2b8cad44b6986ad9a51ed43def
select customer_id,sum(balance) sum_balance from account group by 1 order by 2 desc
每个客户的账户总金额
https://www.nowcoder.com/practice/19f0bc2b8cad44b6986ad9a51ed43def
select customer_id,sum(balance) sum_balance from account group by 1 order by 2 desc
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