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DC
Question Practice

Which of the following is a characteristic of candidate keys?

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 is a ch...

Single Answer MCQ
Q-00066969

Which of the following is a characteristic of candidate keys?

1

They are always selected as primary keys

2

They must be stable over time

3

They can include NULL values

4

They can change to other data types

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