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FK constraint

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tsouza

Post subject: FK constraint

Posted: Wed Jun 30, 2004 2:40 am

Beginner

Joined: Sun Feb 08, 2004 4:09 pm
Posts: 46

Hi,

Consider this situation:

Class A 1..* Class B
Class C 1..* Class B

When I define this in hibernate.cfg.xml, will I have to define a foreign key for each class in table for class B (id_a, id_c) or can I define a general fk that in some instances of B would refer to A and other instances would refer to C?

Thanks in advance,
Thiago Souza

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tsouza

Post subject:

Posted: Wed Jun 30, 2004 5:56 am