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Re: Conceptual, Logical, and Physical views of data

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Thu, 8 Sep 2005 09:27:59 +0200
Message-ID: <MPG.1d8a065563cedb73989700@news.ntnu.no> 





In article <1126126111.444396.247600_at_g44g2000cwa.googlegroups.com>, 
dawnwolthuis_at_gmail.com says...


> I do want navigational

> operators, however and that seems to go against relational theory.  I

> want to "click on" a foreign key value and navigate to the referenced

> entity.




Isn't that user interface, not data modelling theory, though? Seems 
pretty orthogonal to me.

-- 
Jon


Received on Thu Sep 08 2005 - 02:27:59 CDT












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