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Question Practice

Which of the following best describes 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
Database Concepts
Question Bank

Which of the following best de...

Single Answer MCQ
Q-00067672

Which of the following best describes a foreign key?

1

A primary key that is repeated in another table

2

An attribute that can have null values

3

A key that uniquely identifies a record in its table

4

An attribute used for indexing data

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