In IDEF1X,extended E-R model subtype entities are grouped into:
A)generic entity.
B)category entity.
C)nonspecific entity.
D)category clusters.
E)There is no equivalent IDEF1X term.

Question

Quizplus · Accepted Answer

In IDEF1X, subtype entities are grouped into category clusters. Category clusters are groups of entities that share common attributes and relationships but represent distinct subtypes within the broader category. These clusters are useful for modeling complex systems with multiple subtypes and can improve the clarity and organization of the data model.

In IDEF1X,extended E-R Model Subtype Entities Are Grouped Into