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Re: Migrating from Access to Oracle

From: James F. Hurff <hurff_at_eng.fsu.edu>
Date: Tue, 10 Aug 1999 11:15:52 -0400
Message-ID: <AkXr3.5267$jS5.393554@news2.jacksonville.net>


I have a couple of questions on this topic. I would greatly appreciate any assistance:

  1. Is the Access conversion utility still available to download from Oracle...I cannot seem to find it on the Free/Trial Software download page where it used to be?
  2. Is the utility compatible with Access 2000 or do I need to export the Access database to a Access 97 format?
  3. If the cascade update/delete is enabled in the Access design, are associated triggers created on the Oracle side?
  4. If the Autonumber datatype is used in the Access design, are associated sequences created on the Oracle side?
  5. Are the entity relationships passed from Access to Oracle?

Thanks in advance.

Michael Ho <infoage_at_hk.super.net> wrote in message news:37877313.F298D59_at_hk.super.net...
> Well my suggestion is if you can affort Oracle 8, which about US$300-500
per
> concurrent user, try change it to Oracle. The beneficiary is huge. More
> secure data, fast performance, highly reliable, extremely scalable.
>
> I have use Access 2.0 for long time, very problematic when the system goes
> complex and large. Upgrade to 95, solve some problem, raise some another.
> Upgrade again to 97, still the same. I never user the Access to Oracle
> Migration Kit. (My problem, I never trust those user friendly interface)
> What I did is:
>
> 1. create exactly the database on Oracle exactly same in access.
> 2. Transfer data to Oracle.
> 3. Attach the Oracle Database into Access using ODBC.
> 4. If you use cascade update relation in access, you may need program some
> trigger in oracle.
>
> Just that, the migration is complete, work for Access 2.0 or 95 or 97 .
> Then you can further improve the performance by :
>
> 1. Modify the Query into pass-through query or database view.
> 2. Rewrite complex operation into database procedure.
>
> Personally I think for that price, Oracle is very competitive towards SQL
> Server. But the benefit is huge, Oracle is the market leader afterall.
Try
> to compare a Ferrari with a Honda.
>
> Hope it helps.
> Michael
>
> CMG wrote:
>
> > Greetings -
> >
> > Our business is built on Access 2, but time to move to SQL Server, or
> > preferrably, Oracle, retaining Access as the front end. We'll upsize to
> > Acc97, then migrate to Oracle, if it really works.
> >
> > Has anyone tried such a migration? What was your experience? Any input
> > or
> > links you can provide would be greatly appreciated. I do have the Oracle
> > Migration Tools, but I much rather hear the truth about migration from
> > an unbiased source.
> >
> > Thanks,
> > Adam Kahn
>
Received on Tue Aug 10 1999 - 10:15:52 CDT

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