#1

SELECT
	employee_id,
	first_name,
	last_name
FROM
	employees
ORDER BY
	first_name;

#2

SELECT
	employee_id,
	first_name,
	last_name
FROM
	employees
ORDER BY
	first_name
LIMIT 5;

#3

SELECT
	employee_id,
	first_name,
	last_name
FROM
	employees
ORDER BY
	first_name
LIMIT 5 OFFSET 3;

#4

SELECT
	employee_id,
	first_name,
	last_name
FROM
	employees
ORDER BY
	first_name
LIMIT 3, 5;

#5

SELECT
	employee_id,
	first_name,
	last_name,
	salary
FROM
	employees
ORDER BY
	salary DESC
LIMIT 5;

#6

SELECT
	employee_id,
	first_name,
	last_name,
	salary
FROM
	employees
ORDER BY
	salary DESC
LIMIT 1 OFFSET 1;

#7

SELECT DISTINCT
	salary
FROM
	employees
ORDER BY
	salary DESC
LIMIT 1, 1;

#8

SELECT
	employee_id,
	first_name,
	last_name,
	salary
FROM
	employees
WHERE
	salary = 17000;

#9

SELECT
	employee_id,
	first_name,
	last_name,
	salary
FROM
	employees
WHERE
	salary = (
		SELECT DISTINCT
			salary
		FROM
			employees
		ORDER BY
			salary DESC
		LIMIT 1,
		1
	);