Depending on the Attributes and Circumstances Present, the Unique Identifier

Multiple Choice

Depending on the attributes and circumstances present, the unique identifier of an associative entity could be any of the following, except _____.

A) the combination of the unique identifiers of the entities in the many-to-many relationship consisting of exactly one field from each entity
B) the combination of the unique identifiers of the entities in the many-to-many relationship consisting of several fields
C) the combination of the unique identifiers of the entities in the many-to-many relationship plus one or more additional fields that express times or dates
D) a single field that is associated with the associative entity and provides unique values
E) a unique combination of fields from one of the two entities in the many-to-many relationship