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data modeler: (non) mandatory foreign keys???

XenofonSep 23 2010 — edited Sep 27 2010

Hi there,

can anybody explain what the difference between mandatory and non-mandatory FKs, as displayed in the data modeler???

There is this check box and the documentation does not really explain, what database feature this non-mandatory FK corresponds to... It is certainly not about a deferred foreign key and also not about a deactivated one. So what is this?

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Locked on Oct 25 2010

Added on Sep 23 2010

#data-modeler

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