题解 | #获取第二多的员工及其对应的薪水salary#

select s.emp_no,s.salary,e.last_name ,e. first_name 

 from employees e,(select emp_no,salary
        from salaries
        where salary=(select max(salary)
                from salaries
                where salary!=(
                select max(salary) from salaries 
))) s
where e.emp_no=s.emp_no