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Re: how to build a database from scratch

From: Joachim Pimiskern <JoachimPimiskern_at_web.de>
Date: Tue, 5 Dec 2006 13:34:26 +0100
Message-ID: <4tl7djF14jf0cU1@mid.individual.net> 





"Neo" <neo55592_at_hotmail.com> schrieb:


> Is this true? If so why doesn't the relational data model mention 

> trees?




The relational data model is a mathematical
abstraction which not even mention indexes.



Regards,


Joachim
Received on Tue Dec 05 2006 - 06:34:26 CST












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