>Inner-entity RI belongs in the data tier, everything else belongs in the business logic tier.
>
>Markus

OK... conceptually that makes perfect sense... but, can Business Logic be IMPLMENTED in the Data Tier? No one said all the business logic HAS to be in VFP component. Of course, I see the problem of switching from SQL Server to Oracle here, being that you would have to re-write all your DataTier implemented buisiness rules so Oracle will run em.

BOb