Re: 1GB Tables as Classes, or Tables as Types, and all that refuted
Date: Mon, 13 Dec 2004 16:53:53 GMT
No, a pointer is anything that points to something. Pointers are a fundamental part of a graph based model.
> The problem is that
>the way that objects are constructed in languages such as small talk
>and java means that the logical model is incomplete without these
>3) In Java you do have to separate equality operators, the == operator
>that tests for referential equality
In other words: it tests for pointer equality. Pointers and references are the same thing.
>Obviously this works, Java works, nobody is disputing this. The
>question is, does it really have to be this complicated?
The answer is: no.
>For example, in SQL databases tables have to be denormalised,
>reintroducing duplication, for the sake of performance.
I prefer "redundancy" to "duplication".
>If views were properly impelemented this would not be a problem. Just
>as the user can work with a view, the model can be implemented on disk
>as a denormalised view. This would have no effect on the conceptual
Agreed, but there other ways to improve the performance.
Regards Received on Mon Dec 13 2004 - 17:53:53 CET