SELECT employee_id ,  job_id FROM employees WHERE salary  <  ( SELECT min(salary) FROM employees WHERE job_id  =  'MK_MAN' )
display the employee number and job id for all employees whose salary is smaller than any salary of those employees whose job title is MK_MAN.
SELECT employee_id , job_id FROM employees WHERE salary < ( SELECT min ( salary ) FROM employees WHERE job_id = 'MK_MAN ' )
select employee_id , job_id from employees where salary < ( select min ( salary ) from employees where job_id = value )
display the employee number and job id for all employees whose salary is smaller than any salary of those employees whose job title is MK_MAN .