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
http://www.nowcoder.com/practice/c1472daba75d4635b7f8540b837cc719
select em.emp_no,salary,last_name,first_name from employees em,salaries sa where sa.emp_no=em.emp_no and salary=(SELECT max(salary) from salaries where salary<(SELECT max(salary) from salaries)) ;