题解 | 每个部门薪资排名前两名员工
每个部门薪资排名前两名员工
https://www.nowcoder.com/practice/89329eadd4a64126b1cd326ea0b7eff7
with ranking as(select
*,
rank() over(partition by department order by salary desc) as rank_number
from employees)
select
department,
employee_name,
salary
from
ranking
where
rank_number<=2