R12.2 Edition determination and setup

With 11gR2 ,Oracle has introduced Edition based redefinition to help in online modification. R12.2 Online Patching also usage the same feature  to achieve Online patching.in R12.2 Editions are sync’ed between the OS filesystem and database
Two Edition Definitions:
Runtime:Used by Online Users,Never changed by a Patch

Patch:Used by the Patching Tools,Changes do no affect the running Application

Edition Determination  in EBS
How to tell your Edition:
From OS:
echo $FILE_EDITION
From DB:
select ad_zd.GET_EDITION_TYPE,
ad_zd.GET_EDITION
from dual;

Set Up the edition in EBS
How to set your Edition:
From OS:
source /u012/oracle/ebs_122/EBSapps.env run or
source /u012/oracle/ebs_122/EBSapps.env patch
echo $RUN_BASE – the run filesystem
echo $PATCH_BASE – the patch filesystem
From DB:
ad_zd.SET_EDITION(‘RUN’)
or
ad_zd.SET_EDITION(‘PATCH’)

Helpful sql scripts related to Edition in R12.2

Sql scripts	Description
ADZDSHOWED	Show database editions and current edition.
ADZDSHOWLOG	Show full diagnostic log for online patching infrastructure
ADZDSHOWLOGEVT	Show only event and error messages from online patching diagnostic log (a useful summary, without the detailed statement text).
ADZDSHOWLOGERR	Show only error messages from online patching diagnostic log.
ADZDCMPED	Compare Patch Edition with Run Edition. Warning: this script may take a long time to run.
ADZDSHOWOBJS	Show Object Summary per edition. Counts of actual and stub (inherited) editioned object per edition.
ADZDSHOWAOBJS	Show Actual Objects in the current edition. These are the editioned objects that have been changed by the patch
ADZDSHOWIOBJS	Show Inherited Objects in the current edition. These are the editioned objects that remain untouched in the Patch Edition.
ADZDSHOWSM	Show Seed Manager status.
ADZDSHOWTAB TABLE_SYNONYM_NAME	Show table information and related objects.
ADZDSHOWEV TABLE_SYNONYM_NAME	Show editioning view column mapping for table.
ADZDSHOWCOBJS	Show Covered Object Summary per edition. Count of objects in old editions that have a replacement in the run edition
ADZDSHOWCOBJX	Show Covered Object List. List of objects in old editions that have a replacement in the run edition.