select dept_no,max(s.emp_no) as emp_no,s.salary as maxSalary from (Select dept_no,max(salary) salary from salaries join dept_emp on salaries.emp_no = dept_emp.emp_no group by dept_no) as temp join salaries s on temp.salary = s.salary group by dept_no,maxSalary order by dept_no; 此题难点在于选取最高薪资与员工编号...