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Article:
  Object-Relational Mapping with Apache Jakarta OJB
Subject:   Bogus Modelization
Date:   2004-01-03 11:50:32
From:   anonymous2
Response to: Bogus Modelization

Agreed! About a third of the way through I also realized that Manager is a role, not a subtype of an entity. That soured the example for me. Made me think that the third form, one table per class with foreign key to parent, as a relational schema, is a lot like an association schema anyway.