How to change to new ORACLE_HOME while upgrading to 9.2.0.6 ?

Hi All,

I have to upgrade an instance from 9.2.0.1 to 9.2.0.6. Existing ORACLE_HOME is /u01/oracle/product/9201/

Now i want a new oracle_home for 9206 binaries. say new ORACLE_HOME = /u01/oracle/product/9206/

I am not very much sure about how to do it and one of my peer suggested to :

1. Install 9201 binaries alone in new oracle_home
2. shutdown the existing instance
3. copy init.ora & other files in dbs directory (of existing oracle_home) to new oracle_home
4. change the oracle_home in oratab to new one
5. change the ENV variables to point to new oracle_home
6. startup the instance in "startup migrate" mode
7. run catpatch.sql & utlrp.sql
8. shutdown/start

Is this the right procedure ?
Hope someone has already done such work ! Suggestions are welcome.

Regards,
Prem

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