Indicators + the database

[Peter Cameron]

On Thu, Oct 02, 2003 at 05:21:32PM +0100, Peter Dobcsanyi wrote:
> Indeed, we should have two sets of indicators, one for the ext-rep and
> one for the database. These two sets are neither equal nor distinct.
> They should be "optimized" according to different criteria. We can, of
> course, try to make their intersection as large as possible but
> the specific role-oriented optimization must have the priority.

I like this principle, as it fits well with the principle that the
database doesn't have to have its internal structure the same as that
of the external representation, as long as translation is easily done.
Atomic indicators are clearly right for the former!