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Re: Re: Union quries: INTERSECT, MINUS, etc

From: Nuno Souto <nsouto_at_optusnet.com.au>
Date: Fri, 25 Jul 2003 01:00:55 +1000
Message-Id: <26007.339447@fatcity.com>

> what do you mean by 'arc'?
> >

have a look:
http://www.docm.mmu.ac.uk/online/SAD/T07/erd2.htm much better explanation than I can give here.

Cheers
Nuno Souto
nsouto_at_optusnet.com.au Received on Thu Jul 24 2003 - 10:00:55 CDT

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