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In chapter 6, paragraph "Mapping the collection", p. 217,218, it is mentioned that mapping the composite element as a set, this will result in a primary key that consists of the key and all element columns.

I wonder if this is correct since I can't see any primary key constraints on my oracle 9i DB when mapping a composite element as a set.
The primary key should be reflected in the DB constraints, shouldn't it?

Alexander Josef