RE: What About Price vs. Performance? -- MIDRANGE-L

I'm not doing anything on the client, Phil.  But I also don't suggest SQL for 
the servlets, for many of the same reasons.  I don't want to have to change my 
Java code when my database layout changes.

Joe

---------- Original Message ----------------------------------
From: Phil Groschwitz <sublime78ska@yahoo.com>
Reply-To: MIDRANGE-L@midrange.com
Date: Thu, 5 Apr 2001 09:22:11 -0700 (PDT)

>I thought you were doing everything with servlets and
jsp's?  Other than the browser, I didn't think you
were using any client-side code.

phil


--- Joe Pluta  <joepluta@plutabrothers.com> wrote:
> SQL is without a doubt the single worst way for a
> client to access a host database.  Because it
> requires in-depth knowledge of not only the location
> but the format of the data, it ties the host to the
> client irretrievably.  Any change to the database
> layout requires an immediate and complete upgrade to
> every client.  A message-based architecture, on the
> other hand, allows independence of client and host,
> and can also support deprecated messages, allowing
> clients to upgrade in a more convenient timeframe.
> 
> But that's just my opinion.  If they ever get OQL
> working, I'll be a happy man.  Until then, I'll stay
> message-based, thank you.
> 
> Joe
> 
> 
> ---------- Original Message
> ----------------------------------
> From: "Stone, Brad V (TC)" <bvstone@taylorcorp.com>
> Reply-To: MIDRANGE-L@midrange.com
> Date: Thu, 5 Apr 2001 10:30:50 -0500 
> 
> >> No, if you have something better than the AS/400,
> go ahead.  
> > In the meantime, I'll use the best tool for the
> job, and if 
> > the time comes to find another server, I'll simply
> redesign 
> > my templates and move on.  Remember, Leif, all of
> my servers 
> > are encapsulated by a message, so they can be
> reimplemented 
> > in any language on any platform I choose.  I
> simply choose 
> > the AS/400, and have no reason to be "free" of it.
> > 
> 
> One more thing.  Which is the lesser of two evils? 
> Using SQL for record
> access, or using messaging?  In one case all you
> should need is possibly a
> new JDBC driver.  In the other, your back end data
> mining tools (in your
> case I believe written in RPG) have to be rewritten.
> 
> I see advantages to each, but I think I would choose
> the SQL route.
> 
> Then again, that assumes that table and DB layouts
> remain unchanged when you
> move to the new platform (of course).
> 
> Brad
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