题解 | 统计salary的累计和running_total
统计salary的累计和running_total
https://www.nowcoder.com/practice/58824cd644ea47d7b2b670c506a159a6
select a.*, sum(salary) over(order by emp_no rows between unbounded preceding and current row) as running_total
from (
select emp_no, salary
from salaries
where to_date = '9999-01-01'
) as a;
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