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List:       mumps-l
Subject:    Re: migration
From:       Mark Lauteren <lauteren () COWBOY ! BIOMED ! COM>
Date:       1996-11-22 1:15:17
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Any one from the VA care to comment (and give some details) on any projects
that the VA did attempting to evaluate RDBMS (or other DBMS) systems as
replacements for M[UMPS]???

Mark Lauteren
LabCorp

-----------------------------------------------------------------------------

Jim Self wrote:
> At 05:29 AM 11/20/96 -0800, MSN Garcia wrote:
> > HBO & Co did a research project back around 1993/94 where they spent
> > time assessing the performance they might find if they ported their
> > M-style databases to relational databases.  They found the fastest
> > one was only 7 times slower than M.
> > 
> > Also, SmithKline Beecham Clinical Laboratories spent several $Million
> > porting a laboratory system to one of those relational systems in the
> > mid-80's, only to find that the terribly slow performance and
> > overwhelming complexity of trying to force the relational tables to
> > deal with real-world problems was untennable and they abandoned the
> > project and went back to M.
> > 
> > Need more examples?
> 
> Yes, please! I think it is very important to a balanced perception of M that
> these cases be examined and publicised. Are there any references to these
> findings that I could find in a library, or point to from my web site?
> 
> I believe that I was also told of some recent examples in the VA of some
> costly mistakes in attempting to replace DHCP with Oracle or other big name
> RDBMS. I would really like to see these kinds of reports collected in one
> place, preferably on the web, and corroborated.
> 
> Jim Self, jaself@ucdavis.edu
> VMTH: Computer Services, UC Davis
> http://www.vmth.ucdavis.edu/us/jaself
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> Date:         Thu, 21 Nov 1996 16:59:08 -0800
> Reply-To: MUMPS List <MUMPS-L@UGA.CC.UGA.EDU>
> Sender: MUMPS List <MUMPS-L@UGA.CC.UGA.EDU>
> From: "James A. Self" <jaself@UCDAVIS.EDU>
> Subject:      migration
> To: Multiple recipients of list MUMPS-L <MUMPS-L@UGA.CC.UGA.EDU>
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