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RE: Upgrade 8.0.5 to 8.1.6

From: Barbara Baker <barbarabbaker_at_hotmail.com>
Date: Wed, 21 Nov 2001 15:10:36 -0800
Message-ID: <F001.003CB313.20011121144524@fatcity.com>

Ed:
If you track down the 8i migration manual, here's a comparison chart that shows the benefits of export/import versus migration (using the uxxxx scripts).

It depends on your database configuration, but yes, the main benefit in using migration is speed. If your database is relatively small, exp/imp should be no problem. If it's large, the difference betwen exp/imp and migration will be significant.

HTH. Barb

>From: "Ed" <mrclark_at_xnet.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: RE: Upgrade 8.0.5 to 8.1.6
>Date: Wed, 21 Nov 2001 13:15:20 -0800
>
>Yes, I agree 100%, but people here are concerned that upgrading will
>"break"
>the database, and we have to QUICKLY move everything over to 8.1.6. (Long
>story). What I was really after in my original question was: why is the
>upgrade script a better solution than just recreating the tablespaces in
>8.1.6 and importing from an export of the old database? Does it just save
>time? Is there a downside to using export/import this way?
>
>Best!
>
>Ed
>
>-----Original Message-----
>Thapliyal
>Sent: Wednesday, November 21, 2001 12:20 PM
>To: Multiple recipients of list ORACLE-L
>
>
>Ed,
>
>the whole point of compatable is to mimick behaviour
>of an older release .. like optimizer plans etc.
>upgrading the db would be the way to go for this..
>like many have already pointed out
>
>Deepak
>
>--- Ed <mrclark_at_xnet.com> wrote:
> > A DBA here is trying to upgrade several 8.0.5
> > databases to 8.1.6
> > by using export/import. This will probably work,
> > but wouldn't it be
> > easier to just do a cold backup and open them using
> > the
> > COMPATIBLE parameter in the 8.1.6 environment? Is
> > there
> > any downside to using export/import? (ie. will it
> > affect snapshots,
> > db links, etc...).
> >
> > I thought the whole point of the compatible
> > parameter was that
> > it let you open up an older database with no
> > questions asked.
> > Then you could run any of the upgrade .sql scripts
> > at your leisure,
> > yes?
> >
> > Best,
> >
> > Ed
> >
> >
> > --
> > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.com
> > --
> > Author: Ed
> > INET: mrclark_at_xnet.com
> >
> > Fat City Network Services -- (858) 538-5051 FAX:
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>Author: Deepak Thapliyal
> INET: deepakthapliyal_at_yahoo.com
>
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>Author: Ed
> INET: mrclark_at_xnet.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Barbara Baker
  INET: barbarabbaker_at_hotmail.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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Received on Wed Nov 21 2001 - 17:10:36 CST

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