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995376 wrote:you can use existing client.
We are currently using Oracle 10g with Oracle 11g 32 bit client.
The plan is to update our database from Oracle 10g to 11g. My question is do we need to update the Oracle client or can we use the same?
You can BUT 11.1 and 10.2 are only being supported with extended support. 7,8,9 client are not oficially supported.
Client / Server / Interoperability Support Matrix For Different Oracle Versions [ID 207303.1]