Oracle Communication between 11g and 8i

5 pts.
Tags:
Oracle 10g
Oracle 11g
Oracle 8i
Oracle 8i migration
Oracle migration
Oracle upgrades
We are considering upgrading one of our database from 8i to either 10g or 11g. We know currently that the 10g client is compatible with 8i communication because we have two performance tools database(GRID and I3) which are 10 and they appear to have no issues. However we were wondering if there is any communication problems between 11 and 8..similar to when 9 and 7 would not work together back in the day.

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According to Metalink’s Document 207303.1, both configurations Client 8i to Server 11g, and Client 11g to Server 8i are unsupported combinations, and should not be used.

“Unsupported combinations may appear to work but can encounter errors for particular operations. The fact that they appear to work should not be relied upon. Issues on unsupported combinations will not be investigated.”

If you have access to Metalink, check that document out.

Specifically, if you attempt to connect from 11.1.0.6 to 8.1.7.4, your result is error ORA-03134 “connections to this server version are no longer supported.”

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