SELECT
r.id AS request_number,
u.full_name AS client,
e.full_name AS employee,
s.name AS status,
r.device_type,
r.device_model,
r.problem_description,
r.price,
r.created_at
FROM repair_requests r
JOIN users u ON r.user_id = u.id
LEFT JOIN employees e ON r.employee_id = e.id
JOIN request_statuses s ON r.status_id = s.id
ORDER BY r.id;