题解 | 获取当前薪水第二多的员工
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 emp_no,salary from salaries where salary=( select salary from salaries order by salary desc limit 1 offset 1 ) order by emp_no