题解 | #获取每个部门中当前员工薪水最高的相关信息#
获取每个部门中当前员工薪水最高的相关信息
https://www.nowcoder.com/practice/4a052e3e1df5435880d4353eb18a91c6
SELECT dept_no,
emp_no,
salary
FROM(SELECT
e.dept_no,
e.emp_no,
s.salary,RANK()OVER(PARTITION BY e.dept_no ORDER BY salary DESC) k
FROM
dept_emp e
INNER JOIN salaries s ON e.emp_no = s.emp_no) a
WHERE k=1
