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Home -> Community -> Usenet -> comp.databases.theory -> Re: relations aren't types?
"Bob Badour" <bbadour_at_golden.net> wrote in message news:<J8ednZnlZMCYJ3KiRVn-tA_at_golden.net>...
> Alpha as an attribute type means the user cannot perform any operations on
> the values, which distinctly limits its utility too; although, not as much
> as omega.
Well, I don't see a lot of utility for them either, but the user still has the IS_ and the TREAT_AS operators.
Regards
Alfredo
Received on Mon Dec 29 2003 - 11:17:09 CST
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