Re: Objects and Relations

On Feb 26, 2:00 pm, "Alfredo Novoa" <alfred..._at_gmail.com> wrote:
> 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?
For instance jagged arrays.

> > 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.
The operators are usually coded.
> Regards
Received on Mon Feb 26 2007 - 15:23:41 CET