#第二名的薪水:就是除了最大的薪水,剩余薪水集合里的最大薪水 select A.emp_no,A.salary,B.last_name,B.first_name from salaries A , employees B where A.emp_no = B.emp_no and A.salary = ( select max(salary) from salaries where salary < (select max(salary) from salaries) )