SELECT employee_id, first_name, last_name, salary FROM employees WHERE salary BETWEEN 2500 AND 2900;
SELECT employee_id, first_name, last_name, salary FROM employees WHERE salary >= 2500 AND salary <= 2900;
SELECT employee_id, first_name, last_name, salary FROM employees WHERE salary NOT BETWEEN 2500 AND 2900 ORDER BY salary;
SELECT employee_id, first_name, last_name, hire_date FROM employees WHERE hire_date BETWEEN '1999-01-01' AND '2000-12-31' ORDER BY hire_date;
SELECT employee_id, first_name, last_name, hire_date FROM employees WHERE hire_date NOT BETWEEN '1989-01-01' AND '1999-12-31' ORDER BY hire_date;