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_salary.dept_no,s.emp_no,dept_salary.maxSalary
FROM (
SELECT de.dept_no,MAX(s.salary) maxSalary
FROM dept_emp de JOIN salaries s USING(emp_no)
GROUP BY dept_no) AS dept_salary
LEFT JOIN salaries s ON s.salary=dept_salary.maxSalary
LEFT JOIN dept_emp de USING(emp_no)
WHERE de.dept_no=dept_salary.dept_no
ORDER BY dept_salary.dept_no
