题解 | #running_total 易错题#
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) from salaries where to_date='9999-01-01'
- 考察窗口函数的使用
- 利用日期限制当前薪资
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) from salaries where to_date='9999-01-01'
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