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SQ
Question Practice

In SQL, what is the purpose of the FOREIGN KEY constraint?

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

In SQL, what is the purpose of...

Single Answer MCQ
Q-00095203

In SQL, what is the purpose of the FOREIGN KEY constraint?

1

To uniquely identify each record.

2

To ensure non-null values.

3

To establish a relationship between two tables.

4

To specify a default value.

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