If there is more than one possible choice for the primary key, and one of the possibilities is chosen to be the primary key. What are the others called?
A) canceled keys
B) alternate keys
C) nonkey attributes
D) contributory keys

Question

Quizplus · Accepted Answer

The others are called alternate keys. An alternate key is a candidate key that is not chosen to be the primary key. It can serve as a unique identifier for the entity and may have unique indexing and searching capabilities.

If There Is More Than One Possible Choice for the Primary