Short Answer
An entity cluster is considered "virtual" or "_____" in the sense that it is not actually an entity in the final ERD.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q45: A(n) _ occurs when a relationship is
Q46: Usually, a data modeler uses a natural
Q47: One practical advantage of a(n) _ key
Q48: One important inheritance characteristic is that all
Q49: Implementing overlapping subtypes requires the use of
Q51: An entity cluster is formed by combining
Q52: At the implementation level, the supertype and
Q53: Entity subtypes do not inherit the relationships
Q54: The relationships depicted within the specialization hierarchy
Q55: Entity supertypes and subtypes are organized in