Upgrading Oracle Databases from 11.2.0.1 to 11.2.0.2

is discussion is about performing an upgrade from 11.2.0.1 databases to 11.2.0.2.This is an out-of-place manual upgrade from 11.2.0.1 to 11.2.0.2. 11.2.0.2 Patch set is a full release.It cannot be installed on top of existing 11.2.0.1 ORACLE_HOME.

Note the following steps
1. Install 11.2.0.2 into a separate ORACLE_HOME.
2. Take a full backup of the database.
3. Always shutdown the database cleanly
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