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Re: Performance Issues doing exports 8.0.4 to 7.3.3

From: Ted Viadella <ted_at_theALLIEDgroup.com>
Date: 2000/06/30
Message-ID: <395CA652.65FF76C2@theALLIEDgroup.com>#1/1

You shouldn't be able to do an export of an 8.0.4 database and import to a 7.3.3. db. there were many changes to the database in Oracle 8. I know Oracle will not support going backwards.

jamora_at_my-deja.com wrote:

> Hello
>
> I would like to see if someone can help us with this situation we are
> facing.
>
> We have two servers one for production and one for testing, in
> production we are running Oracle 8.0.4 and in testing we are running
> 7.3.3 both PCs are NT machines with 512Mb of memory, the database is
> our payroll and it is barely 7GB.
>
> We use the test server just to test the user queries, and programs just
> to see if they work and not stress our production server.
>
> We just installed 8.0.4 about 1 month ago, and when we started
> exporting from 8.0.4 to 7.3.3 the performance on the test databases got
> really bad, we ran explain plans on the same query on both servers and
> in the 7.3.3 we get full table scans while in 8.0.4 we get accesses by
> rowid etc. We checked the indexes and they have the same indexes, same
> tablespaces, only thing is the move from 8.0.4 to 7.3.3
>
> Any ideas?
>
> Thank you Very Much
>
> Angel Mora
> jamora_at_my-deja.com
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
Received on Fri Jun 30 2000 - 00:00:00 CDT

Original text of this message

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