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IS
Question Practice

What is a foreign key?

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
Introduction to Structured Que...
Question Bank

What is a foreign key?

Single Answer MCQ
Q-00066983

What is a foreign key?

1

A key used to encrypt data

2

A unique identifier in another table

3

A key that can have multiple values

4

An index for sorting data

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