Re: Relation Definition

From: Alfredo Novoa <alfredo_novoa_at_hotmail.com>
Date: Fri, 18 Feb 2005 09:01:05 +0100
Message-ID: <i58b111qsnr27qhorlp08dq4pqaqv5i0a0_at_4ax.com>


On Thu, 17 Feb 2005 22:02:43 GMT, Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be> wrote:

>Def. [Tuple] A *tuple* is a partial function that maps column names to
>domain values and is defined for a finite set of column names which is
>called its *header*.

In which way is "columnar" a tuple "column"?

Regards Received on Fri Feb 18 2005 - 09:01:05 CET

Original text of this message