Concatenated keys are
A)used when combining two or more REA diagrams.
B)foreign keys used to implement 1:N or 1:1 relationships.
C)multiple attribute keys used to implement 1:M relationships.
D)used to implement M:N relationships.

Question

Quizplus · Accepted Answer

Concatenated keys are used to implement many-to-many (M:N) relationships, as they combine multiple fields to create a unique identifier for records in a junction table that links two entities with a many-to-many relationship.

Concatenated Keys Are