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 emp_no,
salary,
sum(salary) over(order by emp_no) as running_total
from salaries
where to_date='9999-01-01'
不需要分组，不写partition by
