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DC
Question Practice

What is a foreign key in a relational database?

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
Database Concepts
Question Bank

What is a foreign key in a rel...

Single Answer MCQ
Q-00095111

What is a foreign key in a relational database?

1

A unique identifier for a table

2

An attribute linking to the primary key of another table

3

A key that prevents NULL values

4

A type of database management software

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