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Chris Saxon

Thanks for the question, Atchut.

Asked: September 25, 2024 - 7:50 pm UTC

Last updated: September 26, 2024 - 3:08 pm UTC

Version: Instant Client 12 and oracle database 19c

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You Asked

The database is being migrated from Oracle 12 to Oracle 19c

The client applications are developed in MS .net framework 3.5 and use ODBC. They are currently running on Windows 2008 R2

Instant Client version 19c needs minimum Windows 2012

Is it possible to user Instant Client 12 to connect Oracle Database 19c?

and Chris said...

To see whether you can use a particular client/database version combination, check the MOS note

Client / Server Interoperability Support Matrix for Different Oracle Versions (Doc ID 207303.1)

https://support.oracle.com/knowledge/Oracle%20Database%20Products/207303_1.html

This shows that a 12.2 client was supported with a 19c database. So in theory it'll work, but if you encounter any issues there won't be any patches available.

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