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Home -> Community -> Usenet -> c.d.o.server -> Re: Multiple Oracle Homes on NT4.0
jared_at_pandora.planet.net (Jared Hecker) wrote:
>I thought Oracle included such a utility. Also, you could ask support if
>there is a bulletin on managing this, I'm sure this isn't the first time
>it's come up.
>
>Tom C (T.Cann.LAB_at_dial.pipex.com) wrote:
>: Hi,
>
>: I am currently looking into upgrading from 7.3.3 to 8.0.4 on an NT4.0
>: server. For the purposes of testing the migration and the nature of the
>: other databases that I would like to put on the server, I require more than
>: one ORACLE_HOME and at different release versions, ie one at 7.3.3 and one
>: at 8.0.4.
>
>: I know that the NT registry will restrict me doing this.
>
>: Does anyone know of any way around the 7.3.3 entries being wiped by the
>: upgrade to 8.0.4 ?
I don't think the need is as great as you may think. All (most?) of the binaries on NT have the version number appended to them (ORA73.DLL, ORA80.DLL, PLUS33W.EXE, PLUS80W.EXE, IMP80.EXE, IMP73.EXE, etc.), so they don't conflict. There are separate RDBMS/ADMIN directories (RDBMS73, RDBMS80). The registry parameters even have a version number, i.e., NLSRTL33, NLSRTL32, ORA_NLS33, ORA_NLS32, etc. etc. The services created by Oracle have the SID appended.
You will need to set the ORACLE_SID for the particular environment you're using when administering the databases, but all should work.
Chris
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