SELECT * FROM employees WHERE department IN ('IT', 'HR', 'Finance');

What does IN operator do?

SELECT * FROM products WHERE price BETWEEN 100 AND 500;

What range does BETWEEN include?

SELECT * FROM customers WHERE name LIKE 'A%';

What does '%' represent in LIKE?

SELECT * FROM customers WHERE email LIKE '%@gmail.com';

Which emails will this find?

SELECT * FROM employees WHERE manager_id IS NULL;

What does IS NULL check for?