题解 | 获取当前薪水第二多的员工的emp_no以及其对应的薪水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
select a.emp_no,a.salary from (select emp_no,salary, dense_rank() over (order by salary desc) as rk from salaries) as a where a.rk=2 order by a.emp_no
通过select新筛选的表一定 要记得重新赋名

