Re: Objects and Relations

From: Alfredo Novoa <alfredono_at_gmail.com>
Date: 26 Feb 2007 05:00:02 -0800
Message-ID: <1172494802.859442.155850@h3g2000cwc.googlegroups.com>

On 26 feb, 13:24, "Cimode" <cim..._at_hotmail.com> wrote:

> in RM, n-ary attribute instantiation is a synonym for tuple set.

N-ary attribute instantiation does not make any sense.

> Thanks for clarifying that. What about instantiation of
> multidimensional array objects?

What do you mean with array object?

> Could n' we consider them as an
> instantiation of n-ary attributes (or predicates if you wish)?

Arrays are indeed multidimensional structures like relations. The problem is that most structured programming languages lack array algebra operators.

Regards Received on Mon Feb 26 2007 - 07:00:02 CST