/真的难阿,这道题一直在left join,left join,还要用emp_salary>manager_salary找员工工资大于经理工资怒了,写的好烦/ SELECT de.emp_no AS emp_no, dm.emp_no AS manager_no, s.salary AS emp_salary, s2.salary AS manager_salary FROM dept_emp de LEFT JOIN dept_manager dm ON de.dept_no = dm.dept_no LEFT JOIN salaries s ON de.emp_no = s.emp_...