Re: Conceptual, Logical, and Physical views of data


"David Cressey" <david.cressey@xxxxxxxxxxxxx> wrote in message
news:EdWQe.3994$_84.75@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> My introduction to databases, back in the 1980s, was, in part, by way of
> Martin. I got this description of multiple views of data: the
conceptual,
> logical, and physical views.

> The conceptual view of data: the data as seen by the subject matter
expert.
> The meaning of each of the values, in context, is part of the subject
matter
> expert's domain. Database structure is not the domain of the SME, in that
> role.

There might be several subjects covered by a database.


.

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