题解 | #统计salary的和running_total
统计salary的累计和running_total
https://www.nowcoder.com/practice/58824cd644ea47d7b2b670c506a159a6
select
emp_no
,salary
,sum(salary) over (order by emp_no asc) as running_total
from salaries
where to_date = '9999-01-01'
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