/*Write a query to display the employee number, name( first name and last name ) and job title for all employees whose salary is
 smaller than any salary of those employees whose job title is MK_MAN. Exclude Job title MK_MAN.

*/

    SELECT employee_id,first_name,last_name, job_id   
    FROM employees   
    WHERE salary < ANY   
    ( SELECT salary   
    FROM employees   
    WHERE job_id = 'MK_MAN' )   
    AND job_id <> 'MK_MAN' ;