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SQ
Question Practice

What is the purpose of the PRIMARY KEY constraint?

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

MCQ_SA
CBSE
Class 12
Computer Science
Computer Science
Structured Query Language (SQL
Question Bank

What is the purpose of the PRI...

Single Answer MCQ
Q-00095198

What is the purpose of the PRIMARY KEY constraint?

1

To allow duplicate values.

2

To ensure data integrity by identifying each record uniquely.

3

To set a default value.

4

To link two tables.

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