Re: RM of [Organizational] Data

mountain man wrote:
> Whatever theory exists of the data, and the data model,
> and the database management system, that theory should
> be aware of the implication that the data relates to an
> organisation, and has ownership by that organisation.
>
> Codd's 12 rules, for example, do not reveal any
> expression of this implication, and are restricted
> to a focus that is purely technical wrt the dbms.
>
> From the perspective of the theory, if certain specific data
> related commonalities can be shown to exist across the spectrum
> of all organisations, then one might expect a theory (of data) to
> address such issues.

Possibly, but what would you expect it to say? I think common relations defining a system catalog are a good idea, and therefore you could include authorization in that catalog. Beyond that, what would you expect to see?

• erk