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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]
In article <42a5d881$1_at_news.fhg.de>, savinov_at_host.com says...
> Assume you have two tables Products =<Price, Size> and Personel = <Age,
> Salary>. Then you have a record in Products r=<$100, big>.
>
> Question: What Age has the record r?
>
> Answer: null.
With reservations as to the semantics of your somewhat non-intuitive example tables, I prefer
Answer: That is a nonsensical question (on several accounts).
YMMV.
-- JonReceived on Thu Jun 09 2005 - 02:32:19 CDT
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