Re: Date, the relational model and the application (software layer)

On Thu, 18 Mar 2004 07:37:36 +0000, mountain man wrote:

> What competitive other theories of data modelling exist
> aside from the relational model. ?

        None.

        So-called hierarchical and network models aren't theories, but rationalisations of old practics.

        Similarly, MV and OO are more techniques. They aren't really theories, at least not sane ones.

        Perhaps one could define a graph model, to generalise these above, but I guess that people who know enough to do that are wise enough to not start trying, because it would most certainly result in more complication and less power than the RM.

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