RE: backwards export

From: Ron Thomas <rthomas_at_hypercom.com>
Date: Thu, 24 Jul 2003 10:26:00 -0600
Message-Id: <26007.339462@fatcity.com>

>> and 7.3.4 clients won't talk to a
>> 9.2 database,

> False

This is sort-a false. If the 9.2 database is in a new characterset such as UTF8, the old sqlnet clients will have difficulties if the client machine is also not in UTF8.

Ron Thomas
Hypercom, Inc
rthomas_at_hypercom.com
Each new user of a new system uncovers a new class of bugs. -- Kernighan

                                                                                                                                                  
                      MATT.ADAMS_at_APPL.G                                                                                                           
                      E.COM                    To:       ORACLE-L_at_fatcity.com                                                                     
                      Sent by:                 cc:                                                                                                
                      ml-errors_at_fatcity        Subject:  RE: backwards export                                                                     
                      .com                                                                                                                        
                                                                                                                                                  
                                                                                                                                                  
                      07/24/2003 10:14                                                                                                            
                      AM                                                                                                                          
                      Please respond to                                                                                                           
                      ORACLE-L

> I'm not sure of the export compatibility, but you should know that 9i
> clients won't talk to a 7.3.4 database,

True

> and 7.3.4 clients won't talk to a
> 9.2 database,

False

A Oracle7 client can, will, and does talk to a 9.2.0 database with no problem.

> which could be a problem. At least, they're not certified
> to talk to each other, which isn't quite the same thing.

See note 172179.1 on Metalink. To quote:

"In short, any version of SQL*Net's version 2 Client (2.3.x) and up to Net 9.0.x, will be able to connect to any version of Oracle Database version 7.3.x and up to 9.2.x, with certain compatibility issues that are explained below"

Matt Adams

Matt Adams - GE Appliances - matt.adams_at_appl.ge.com It will make sense when you stop thinking logically, and start thinking Oracle-ly - Jim Droppa

-----Original Message-----
From: Simon.Anderson_at_scisys.co.uk [mailto:Simon.Anderson_at_scisys..co.uk] Sent: Wednesday, July 23, 2003 8:55 AM
To: Multiple recipients of list ORACLE-L Subject: Re: backwards export

I'm not sure of the export compatibility, but you should know that 9i clients won't talk to a 7.3.4 database, and 7.3.4 clients won't talk to a 9.2 database, which could be a problem. At least, they're not certified to talk to each other, which isn't quite the same thing.

Cheers
Simon Anderson

Jeroen van Sluisdam <jeroen.van.sluisdam_at_vrijuit.nl> Sent by: ml-errors_at_fatcity.com
23/07/2003 12:49
Please respond to ORACLE-L

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
        cc:
        Subject:        backwards export

Hi,

We are investigating possibilities for migration of an oracle 7.3.4 to oracle 9i. We want to separate our
production DB from the app-logic such that we can migrate from oracle 7.3.4 on hp-ux 10.20 to oracle 9i
on hp-ux 11. Problem is our development and test-environment because we cannot separate the logic at the
same time here also from the db (costs). Does anyone have any experience with exporting from oracle 9i
to oracle 7.3.4 ?

I found the underlying note on metalink about the same problem but with oracle 8. I have limited experience on oracle8 and none on oracle 9. So I hope you can give some tips.

..........................

You need to run the 7.3 version of export against your 8.0 database via sqlnet/net8. Beforehand, you need to run rdbms/admin/catexp7.sql against your 8.0 database. This creates the 7.3 export views required. Note that if you have used any 8.0 specific features (e.g. objects) these will not be exported for obvious reasons.

........................

Tia,

Jeroen

--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author:
  INET: Simon.Anderson_at_scisys.co.uk


Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L

Received on Thu Jul 24 2003 - 11:26:00 CDT