题解 | 薪水第二多的员工的emp_no及薪水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
https://www.nowcoder.com/practice/c1472daba75d4635b7f8540b837cc719
使用where筛选掉最大值，再从剩下的找出最大值 with a as( select e.emp_no,s.salary,e.last_name,e.first_name from employees e left join salaries s on e.emp_no = s.emp_no where s.salary != (select max(salary) from salaries) ) select emp_no,salary,last_name,first_name from a where salary = (select max(salary) from a)
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