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 emp_no, salary, last_name, first_name from employees join salaries using (emp_no) where salary = (select max(salary) from employees inner join salaries using (emp_no) where salary not in (select max(salary) from salaries))
先找到第二高的salary,然后用emp_no作为结点连接俩张表,where salary 等于第二高。