An attribute that determines which subtype should be used is a ________.
A)supertype
B)subtype
C)discriminator
D)A and C
E)B and C

Question

Quizplus · Accepted Answer

The discriminator is an attribute that determines which subtype should be used. The supertype is the common entity from which subtypes are derived and the subtype is a subgrouping of the supertype entity. Therefore, options A and B are incorrect.

An Attribute That Determines Which Subtype Should Be Used Is