Re: Much Ado about Nothing
From: David Cressey <david_at_dcressey.com>
Date: Wed, 28 Feb 2001 20:07:09 GMT
Message-ID: <NTcn6.36046$2X4.125998_at_petpeeve.ziplink.net>
Date: Wed, 28 Feb 2001 20:07:09 GMT
Message-ID: <NTcn6.36046$2X4.125998_at_petpeeve.ziplink.net>
> Another relational operator, "project" eliminates rows, and also
eliminates
> resulting duplication.
I goofed.
The above is wrong, as numerous readers will point out:
A relational "project" eliminates some attributes, and also eliminates resulting duplication.
--
Regards,
David Cressey
www.dcressey.com
"David Cressey" <david_at_dcressey.com> wrote in message
news:aQcn6.36045$2X4.126093_at_petpeeve.ziplink.net...
Received on Wed Feb 28 2001 - 21:07:09 CET