Question $15$

Match with the correct definition.

The process of defining a more general entity type from a set of more specialized entity types.

A$.$ Specialization

The process of defining one or more subtypes of the supertype and forming supertype$/$subtype relations.

An instance of the supertype can be only one of the subtypes

B$.$ Overlap rule

An instance of the supertype could be more than one of the subtypes

C$.$ Generalization

D$.$ Disjoint rule $.$

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