A candidate key is:
A) required to be unique.
B) used to represent rows in relationships.
C) a candidate to be the primary key.
D) Both A and B
E) All of the above

Question

Quizplus · Accepted Answer

A candidate key is a column or set of columns in a table that uniquely identifies each row in the table. It is required to be unique and is used to represent rows in relationships. Candidate keys are also potential choices to be selected as the primary key of the table. Therefore, all of the choices (A, B, and C) are correct.

A Candidate Key Is