SELECT email FROM employees WHERE commission_pct  =  "null" AND salary BETWEEN 7000 AND 12000 AND department_id = 50
What are the emails of employees with null commission, salary between 7000 and 12000, and who work in department 50?
SELECT email FROM employees WHERE commission_pct = `` null '' AND salary BETWEEN 7000 AND 12000 AND department_id = 50
select email from employees where commission_pct = value and salary between value and value and department_id = value
What are the emails of employees with null commission , salary between 7000 and 12000 , and who work in department 50 ?