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Re: [Gnue-dev] Object-Relational Mapping


From: Neil Tiffin
Subject: Re: [Gnue-dev] Object-Relational Mapping
Date: Fri, 17 Jan 2003 06:00:28 -0500

Exactly, but we have had many discussion where this distinction was not clear. It is however, important to look at how the abstraction will work when considering the technical implementation.

At 11:29 PM -0600 1/16/03, Daniel E Baumann wrote:
What you are talking about, imho, has to do with ease of use issues.
The ODMG standard is a 'technical' document that deals with how
to implement various thing in an ODMS (Object Data Management
System). It consists if a set of interfaces, specification languages,
and a query language. What I see solving the user problem is a module
in designer that lets the end user model business logic, etc.

Dan

On Thu, Jan 16, 2003 at 06:34:02PM -0500, Neil Tiffin wrote:
 I think the goal should be a simple to understand method of modifying
 the system behavior by non information systems professionals.  An
 object model (implemented well) is easy to explain to someone who is
 not up on the latest OODB vs relational issues.  One can talk about
 purchase order objects, sales orders etc.  In the relational world it
 real easy to lose the abstraction because of the need to normalize
 data.

 There is no question that the relational model is useful, well
 understood, effective and may even be the best technical solution.

 But whatever you call it, I think an abstraction above the relational
 database (or OODB) model is needed to make enterprise apps killer
 apps.  We need to deal with user customization at a higher level
 (even thought the customization may flow down to this level in order
 to work.)  Unfortunately, the ODMG standard does not (based on my
 limited review) help in this area.  You really need to be technically
 savvy to use it.

 What is the current thought regarding end user (non-technical)
 customization?

 Neil

 At 3:26 PM -0600 1/16/03, Jason Cater wrote:
 >There's a fine line between bridging two worlds, and trying to emulate an
 >OODBMS.
 >
 >-- Jason
 >
 >On Thursday 16 January 2003 03:23 pm, Daniel E Baumann wrote:
 >> On Thu, Jan 16, 2003 at 02:30:43PM -0600, Jason Cater wrote:
 >> > Since we are sharing articles that have bookmarked, here is an article
 >> > from a respected relational theorist and practicioner:

 >




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