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';
select emp_no,salary,sum(salary) over(order by emp_no) from (select emp_no,sum(salary) as salary from salaries where emp_no in (select distinct emp_no from salaries where to_date='9999-01-01') group by emp_no) as p1 ;
查看7道真题和解析