Want more Oracle Application reference

One such blog I found is
http://ora-apps.blogspot.com/

How to find XML Publisher Version

Two ways to find XML Publisher versions.

Easy Way : After the output of the report is generated, open the output document file. Go to properties and the version will be visible at that point.

Harder Way : Log in to the server and open for the file MetaInfo.class using more command. This file is available at the following location :
$OA_JAVA/oracle/apps/xdo/common/MetaInfo.class

SQL*Plus commands reference

Some of the basic SQL*Plus commands for reference.

Please click here to find more