题解 | #获取每个部门中当前员工薪水最高的相关信息#
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 s.emp_no,s.salary,e.last_name,e.first_name FROM salaries s JOIN employees e ON s.emp_no = e.emp_no WHERE salary = ( SELECT max(salary) as secondmax_salary FROM salaries s1 WHERE salary < ( SELECT max(salary) as max_salary FROM salaries s ) )
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