The _____ depicts the arrangement of higher-level entity supertypes (parent entities) and lower-level entity subtypes (child entities).
A) subtype discriminator
B) inheritance
C) specialization hierarchy
D) entity supertype

Question

Quizplus · Accepted Answer

A specialization hierarchy depicts the arrangement of higher-level entity supertypes and lower-level entity subtypes. It shows the specific characteristics of each subtype, which are not present in the supertype. This hierarchy is used in hierarchical database models and object-oriented programming to represent inheritance. Therefore, option C is the correct answer. The other options are related to specific concepts within entity-relationship modeling but not to the arrangement of entity supertypes and subtypes.

The _____ Depicts the Arrangement of Higher-Level Entity Supertypes (Parent