CBSE Class 12 Computer Science
Question 14 of 42
Solved 2024 Sample Question Paper CBSE Class 12 Computer Science (083) — Question 14
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Question Which of the following statements is FALSE about keys in a relational database?
- Any candidate key is eligible to become a primary key.
- A primary key uniquely identifies the tuples in a relation.
- A candidate key that is not a primary key is a foreign key.
- A foreign key is an attribute whose value is derived from the primary key of another relation.
A candidate key that is not a primary key is a foreign key.
Reason — A candidate key that is not chosen as the primary key remains a candidate key and is not automatically a foreign key.