SELECT first_name ,  department_id FROM employees WHERE last_name  =  'McEwen'
Display the first name, and department number for all employees whose last name is "McEwen".
SELECT first_name , department_id FROM employees WHERE last_name = 'McEwen '
select first_name , department_id from employees where last_name = value
Display the first name , and department number for all employees whose last name is `` McEwen '' .