select p.first_names || ' ' || p.last_name as name,nr.request_id, (select name from notification_intervals where interval_id= nr.interval_id) as interval_name ,(select short_name from notification_delivery_methods where delivery_method_id=nr.delivery_method_id) as delivery_name from persons p, notification_requests nr where p.person_id = nr.user_id and nr.object_id = :object_id