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DC
Question Practice

Which of the following describes a candidate key?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 11
Informatics Practices
Informatics Practices
Database Concepts
Question Bank

Which of the following describ...

Single Answer MCQ
Q-00066959

Which of the following describes a candidate key?

1

Key that has a NULL value

2

Key chosen to identify records uniquely

3

Any key that can potentially serve as the primary key

4

Only one candidate key can exist in a relation

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