The symbol used to represent additional attributes of another entity that may not be present on every record of the first entity is called an:
A) associative entity.
B) attributive entity.
C) entity subtype.
D) self-join.
E) ordinal entity.

Question

Quizplus · Accepted Answer

An entity subtype is used to represent additional attributes that apply only to some instances of an entity, allowing for specialization within a database model.

The Symbol Used to Represent Additional Attributes of Another Entity