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

Question

Quizplus · Accepted Answer

The attribute that determines which subtype should be used is called the discriminator. It is used to differentiate between the different subtypes and select the appropriate one to use in a given circumstance. Therefore, option C - discriminator - is the correct answer.

An Attribute That Determines Which Subtype Should Be Used Is