"Oracle CROSS APPLY Join"의 두 판 사이의 차이

SELECT department_name, employee_id, employee_name
FROM   departments d
       CROSS APPLY (SELECT employee_id, employee_name
                    FROM   employees e
                    WHERE  salary >= 2000
                    AND    e.department_id = d.department_id)
ORDER BY 1, 2, 3;