Asked Sep 30, 2019

When using the arc implementation to convert a super set entity into a relation, what if the entity
does not have a UID?
A) create an artificial UID for the super entity
B) create an artificial UID for the super entity and each sub type entity
C) use another attribute of the super type entity as UID
D) ask the designer to provide a UID


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Arc implementation is considered as supertypes/subtypes data modelling. Like for an Event, it can be classified with sub types on the basis of its venue as Priv...

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