query to check work flow mailer status?

SELECT component_status
  FROM apps.fnd_svc_components
 WHERE component_id =
          (SELECT component_id
             FROM apps.fnd_svc_components
            WHERE component_name = 'Workflow Notification Mailer');



                                                                          (or)


select component_status from apps.fnd_svc_components where component_name='Workflow Notification Mailer';