题解 | #统计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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