Hi Fred,

Just a small remark, I saw you are using DB primary keys directly in the
presentation layer, maybe it's just for testing but just to let you know
that if your presentation layer needs to handles ID's (which is often the
case) it is better to model an id for each entity, because at that point it
becomes a business requirement, not just a non-functional and
technology-specific attribute.

Just my 2 cents
-- Wouter




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