Check the object name having lower or mix case in Oracle

set lines 132 pages 1000
col object_name format a30 heading "Object Name";
col object_type format a10 heading "Object|Type";
col created format a30 heading "Created";
col status format a30 heading "Status";
select OWNER,object_name,object_type,created,status from dba_objects
where (object_name = lower(object_name) or
object_name = initcap(lower(object_name)))
and object_name != upper(object_name);