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Home -> Community -> Usenet -> comp.databases.theory -> Re: Does Codd's view of a relational database differ from that ofDate&Darwin?[M.Gittens]

Re: Does Codd's view of a relational database differ from that ofDate&Darwin?[M.Gittens]

From: David Cressey <david.cressey_at_earthlink.net>
Date: Thu, 16 Jun 2005 06:25:59 GMT
Message-ID: <XX8se.5412$VK4.2956@newsread1.news.atl.earthlink.net> 






"Alexandr Savinov" <savinov_at_host.com> wrote in message
news:42afee04$1_at_news.fhg.de...



> The first point is that once a column is defined for some table in the

> schema then it *formally* can be considered a completely legal column

> for all other tables.




I don't understand the above.  Are you saying that two columns can be based
on the same domain?


They can,  but that's not my question.
Received on Thu Jun 16 2005 - 01:25:59 CDT












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