SQL254 累加和的简单应用
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) running_total from salaries where to_date = '9999-01-01'
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) running_total from salaries where to_date = '9999-01-01'
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