You might also want to look into Ingres. The opensource version should be
available on VMS (Alpha only) within the next few months. Do***entation
for
R3 can be found at www.opensource.ca.com.
"John Smith" <a@[EMAIL PROTECTED]
> wrote in message
news:-_qdnWpeqLZKoa7fRVn-iw@[EMAIL PROTECTED]
> Joe Database wrote:
> > I am interested in a comparison between Rdb and Mimer, primarily on
> > Alpha but also on VAX. (I suspect that the differences between Rdb
> > and Mimer are greater than the differences between Alpha and VAX for
> > the same product.) I have some familiarity with Rdb, but none (yet)
> > with Mimer.
> >
> > In particular, I would be interested in hearing from people who have
> > switched from Rdb to Mimer (or vice versa), whether or not the switch
> > was worth the trouble, and/or from folks familiar with both.
> >
> > If you don't want to reply to the newsgroup, then email me after
> > removing the obvious capital-letter spam-blocker. Any information
> > provided (even by Rdb engineers) will be treated with the utmost
> > discretion.
> >
> > Among others, I am interested in the following points:
> >
> > o performance, especially for CPU-intensive queries on a large
> > (several TB) database with many concurrent users
> >
> > o differences in SQL (in particular, what non-standard SQL
> > commands would I have to rewrite if moving from Rdb to Mimer)
> >
> > o using Mimer in a cluster (this is relatively straightforward
> > with Rdb)
> >
> > o is the lock-avoidance strategy of Mimer all it is cracked up to
> > be?
> >
> > o pricing (commercial licenses, sup****t, upgrades)
> >
> > o ease of backup (for a few-TB database)
>
>
> For this kind of need, you also might want to contact Jim Starkey,
principal
> author of Interbase, now available in open source as Firebird.
>
> The original Interbase was first released on VMS. The VMS code is still
in
> Firebird but has not been built on VMS in some time, but Jim might be
> interested in your situation.
>
> Interbase/Firebird is a very cool product. I last used v4.x on VMS.
>
> --
> OpenVMS - The often imitated but never advertised operating system.
>
>
|
