Re: Can I install 7.3.3 Enterprise and 8.0.5 Enterprise on the same box?

Yes. With no problems.

By OFA, $ORACLE_BASE/product/7.3.3 and $ORACLE_BASE/product/8.0.5 may coexist.

I would suggest using the net8 listener for both - it works fine against 7.3.

(Solaris example): /var/opt/oracle/oratab has entries:   ORA7SID:/opt/app/oracle/product/7.3.3:Y   ORA8SID:/opt/app/oracle/product/8.0.5:Y

If you (or your users) want to be prompted for an $ORACLE_SID and (its attendant) $ORACLE_HOME at login, look at coraenv and oraenv.

Considerations (for most unix systems at least): Shared memory, semaphores, etc. in the kernel must be allocated as the total for both instances (if they are to run concurrently).

BTW: Why not Oracle 7.3.4?

In article <VGOe3.80$_A1.18663_at_typhoon-sf.snfc21.pbi.net>, "Filip Hanik" <fhanik_at_digitalworkforce.net> wrote:
>The only thing that I have seen are the TNSNAMES.ORA entries could get mixed
>up.
>But it worked fine even though Oracle 8 was using the 7 driver.
>
>Filip
>
>
>Alex <alex.hudghton_at_capgemini.co.uk> wrote in message
>news:7lftmc$c6p$1_at_taliesin.netcom.net.uk...
>> Yes you can. Oracle have even provided an OFA (Optimal Flexible
>> Architecture) to allow this. Check out
>> the manual. Basically you create another ORACLE_HOME and install the
>second
>> version of the software there.
>>
>> Alex
>>
>>
>> Evan Lavidor wrote in message ...
>> >I'm wondering if I can install two versions of Oracle Enterprise Server
>on
>> >the same box, or does one overwrite the other? I have 7.3.3 and 8.0.5
>for
>> >Windows NT and have several databases running in 7.3.3 but another client
>> is
>> >using 8.0.5 and I don't want to devote another box if I don't have to.
>> >
>> >Thanks for any help.
>> >
>> >Evan

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