--2023.11.3更新(窗口函数版) select a.dept_no as dept_no, a.emp_no as emp_no, a.salary as maxSalary from (select de.dept_no as dept_no, sl.emp_no as emp_no, sl.salary as salary, rank() over(partition by de.dept_no order by sl.salary desc) as rk from dept_emp de joi...