Zoznam zamknutých tabuliek na Oracle

select
  locked_mode,
  object_name,
  object_type,
  type,
  machine,
  terminal,
  os_user_name
from
  v$locked_object lck, dba_objects obj, v$session ses
where
  lck.object_id = obj.object_id
  and lck.session_id=ses.sid