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
select department,employee_name,salary
from(
select department,employee_name,salary,row_number() over(partition by department order by salary desc) as rk
from employees
) temp
where rk<=2
order by department,salary desc;
