Re: relational reasoning -- why two tables and not one?
From: paul c <toledobythesea_at_oohay.ac>
Date: Thu, 15 Oct 2009 15:16:14 GMT
Message-ID: <21HBm.48145$Db2.32035_at_edtnps83>
Date: Thu, 15 Oct 2009 15:16:14 GMT
Message-ID: <21HBm.48145$Db2.32035_at_edtnps83>
> ...
> Can one have a donor who has not donated (yet)? ...
That is a great question because it indicates the rampant database mysticism in the semi-literate so-called developed world. I'm sure there are db's where prospective donors are called donors and a donor isn't required to actually donate! Managers without budgets are similar. Received on Thu Oct 15 2009 - 17:16:14 CEST