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Question Practice

What is a primary key in a table?

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MCQ_SA
CBSE
Class 12
Informatics Practices
Informatics Practices
Querying and SQL Functions
Question Bank

What is a primary key in a table?

Single Answer MCQ
Q-00093822

What is a primary key in a table?

1

A field that can have NULL values

2

A field that uniquely identifies each record

3

A foreign key reference

4

A computed value

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