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#

select s.emp_no,s.salary,e.last_name,e.first_name from salaries as s inner join employees as e on s.emp_no = e.emp_no where s.salary= (select max(salary) from salaries where salary not IN (select max(salary) from salaries)); 用两次子查询 找出第二多的薪水