How to track Current Apps Versions

1)select product_version,patch_level from fnd_product_installations
Get current version ana Patch level information.

2)select * FROM V$VERSION
Database Version infomation.

3)select * from v$instance
Instance details

4)select WF_EVENT_XML.XMLVersion() XML_VERSION from sys.dual;
Current XML Parser Version info.

5)select TEXT from WF_RESOURCES where TYPE = 'WFTKN' and NAME = 'WF_VERSION'
Workflow version Number.

6)select home_url from icx_parameters
Oracle applications front end URL

7)SELECT VALUE FROM V$PARAMETER WHERE NAME=’USER_DUMP_DEST’
Get the Trace file location.

8) XML Publisher Vesion info.
$OA_JAVA/oracle/apps/xdo/common/MetaInfo.class.