Installing 2 different Oracle DBs

Can you install both Oracle 10g and Oracle 11g on the same computer?

You can install as many Oracle Homes as your host is able to manage. You should be aware that if you are using the same listener port for all the oracle homes you should use the one at the latest oracle version, i.e. if you are planning to install both, 10g and 11g, you should use the 11g listener to perform connections to the 10g databases.
One more thing you should be aware of is the PATH environment variable, you should properly handle it, otherwise you may face estrange behaviors.
~ Madrid
http://hrivera99.blogspot.com/

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    --Robert                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

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