题解 | #统计salary的累计和#
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 rows between unbounded preceding and current row) running_total
from(
select emp_no,salary
from salaries
where to_date='9999-01-01'
) t
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