Installing multiple Oracle DB

Posted on 2012-08-30
Last Modified: 2012-08-31
my O.S. is Windows XP SP3 and I've installed Oracle in c:\oracle directory.

Now I'd like to install Oracle 11.2 server on same machine. I download the 2 files:

Can I install both versions on my machine? Could I've any problem?
After installing which version of the Oracle database will default?
Do You think I have to configure some parameters?

Question by:ralph_rea
    LVL 76

    Accepted Solution

    >>Can I install both versions on my machine?

    Yes. Assuming you downloaded the correct 11gR2 for windows 32bit.

    >>After installing which version of the Oracle database will default?

    Typically whatever ORACLE_SID is set in the registry.

    >>Do You think I have to configure some parameters?

    Not really except possibly ORALCE_SID.
    LVL 2

    Expert Comment

    On Windows machines the installation of Oracle software which takes precedence is determined by environment variable PATH. When the software gets installed it places itself first in that variable, so your 11gR2 installation will be the default.

    You might need to stop and disable current 10g listener in services before configuring the new one.

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