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Quick Question: Different RDBMS versions of dataguard possible?

Yes, you heard it correct.

The question is, Is it possibel to have the standby is in higher version than the production database of course with same OS, for example Production in 10g and the standby in 11g on both sides having RHEL?

Answer:

Yes, the standby should logical and the compatibility parameters on both sides should be same. Possible from 10g onwards.

From 11g onwards, still yes, but physical standby can be transited to logical and then managed with different versions.

-Thanks

Geek DBA

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