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DC
Question Practice

What is the significance of using NULL in a relational database?

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

What is the significance of us...

Single Answer MCQ
Q-00067684

What is the significance of using NULL in a relational database?

1

Indicates a primary key

2

Represents unknown or inapplicable data

3

Used to denote end of records

4

Cannot appear in any attribute

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