获取当前薪水第二多的员工的emp_no及其薪水salary
获取当前薪水第二多的员工的emp_no以及其对应的薪水salary
https://www.nowcoder.com/practice/8d2c290cc4e24403b98ca82ce45d04db
with t as(
select emp_no,
salary,
dense_rank() over(order by salary desc) as salary_rank
from salaries
)
select emp_no,salary
from t
where salary_rank=2
