I had upgraded oracle databases from 10.2.0.3 to 10.2.0.4. Everything completed correctly. Prior to the upgrade the compatibilty parameter was set to 10.2.0.2. I needed to put back some 'custom' parameters and at the same time changed the compatibily parameter to 10.2.0.
When bringing up the database i received the following error:
ORA-00201: control file version 10.2.0.2.0 incompatible with ORACLE version
10.2.0.0.0 ORA-00202: control file:
I put back the compatibility to 10.2.0.2 and it came up fine. Any idea as to why this error occurred?
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