On Metalink, look at the following:

http://metalink.oracle.com/metalink/..._id= 164997.1

Pay particular attention to the part that starts "If upgrading in
addition to changing the word size".

HTH,
Brian



willie wrote:
>
> Hi All:
>
> I have a production database on HP, and want to upgrade to 8.1.7.4
> 64-bit from 8.1.7.0 32-bit. But which way is correct :
>
> 1. directly upgrade to 8.1.7.4 64-bit from 8.1.7.0 32-bit, is it
> possible?
> 2. upgrade to 8.1.7.4 32-bit from 8.1.7.0 32-bit, then upgrade 8.1.7.4
> 32-bit to 64-bit
> 3. upgrade to 8.1.7.0 64-bit from 8.1.7.0 32-bit, then upgrade 8.1.7.0
> 64-bit to 8.1.7.4 64-bit
>
> I really appreciate your help is you have documentation for that, or
> metalink DOC ID.
>
> Thanks
> Willie

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