Oracle 11gR2 Client connection to Oracle11gR1 DB?

Question

Is it possible to connect to a Oracle 11g R1 DB instance from a Oracle 11g R2 client?

Alain Pannetier · Answer 1 · 2011-05-13 16:02:10Z

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Absolutely.

Even to 10g, 9i, 8.1.*

The Net8i (formerly known as SQL*net) protocol used by the oci dll is negotiated between the client and the server (I assume a Windows client).

NB: be careful to correctly set (or check) the NLS_LANG in the registry or as a system variable.

answered May 13 '11 at 16:02

	Thanks Alain. I didn’t have much luck finding official documentation with Oracle. I may need to improve my search techniques. – Vijay Selvaraj May 13 '11 at 16:17
	@Vijay - no prob. Every Oracle user had that question one day. And the Oracle Doc is Hewwge !!! – Alain Pannetier May 13 '11 at 16:25

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