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Question Practice

In relational databases, what is the purpose of '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

In relational databases, what ...

Single Answer MCQ
Q-00066954

In relational databases, what is the purpose of 'keys'?

1

To encrypt data

2

To maintain the integrity of data

3

To store images

4

To increase storage capacity

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What is the purpose of a foreign key in a relational database?

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