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Question Practice

In a relational database, what rule does a composite key enforce?

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MCQ_SA
CBSE
Class 12
Computer Science
Computer Science
Database Concepts
Question Bank

In a relational database, what...

Single Answer MCQ
Q-00095117

In a relational database, what rule does a composite key enforce?

1

Uniqueness across multiple columns

2

Referencing another table's primary key

3

Restricting values to non-repetitive entries

4

Ensuring all values are of the same type

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