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Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

From: Robert Martin <unclebob_at_objectmentor.com>
Date: Thu, 8 Jun 2006 13:49:00 +0200
Message-ID: <2006060813490011272-unclebob@objectmentorcom>


On 2006-06-01 03:48:55 +0200, J M Davitt <jdavitt_at_aeneas.net> said:

> Using file systems to make your point is a very poor choice. Take a
> file, copy it over there. Identical content, different paths. Which
> is "real?" Which is a copy? Which one should I modify if I want
> my changes to persist? How do Suzie and Bob and Joey and Ron know
> which is the one I scribbled in? What's keeping track of that? A
> file system? No way!
>
> These, and other, questions become de minimis in the relational model.

Are you suggesting that RDBs cannot have duplicate rows, or even duplicate tables?

In any case, would you rather that your laptop prevented you from making copies of your files?

-- 
Robert C. Martin (Uncle Bob)  | email: unclebob_at_objectmentor.com
Object Mentor Inc.            | blog:  www.butunclebob.com
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Received on Thu Jun 08 2006 - 06:49:00 CDT

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