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
- 从salaries里提取最大金额;
- 提取salaries里小于最大金额的所有金额,取最大金额;
- 将employees和salaries连接之后,找到金额等于2的员工即可
select e.emp_no, s.salary, e.last_name, e.first_name from employees e
join salaries s on e.emp_no = s.emp_no
where s.salary =
(
select max(s.salary) from salaries s
where s.salary <
(select max(s.salary) from salaries s)
)