109. transitive dependency — example 3

DBMS Published 30 Sept 2026 Updated 30 Sept 2026 0 Views Verified

What is a transitive dependency in normalization?

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Answer & Explanation

4 Answers

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Option A

A query using JOIN.

Additional Explanation

This option is incorrect for the stated requirement.

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Option B

A transaction rollback.

Additional Explanation

This option is incorrect for the stated requirement.

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Option C

A direct primary-key dependency only.

Additional Explanation

This option is incorrect for the stated requirement.

Verified Correct Answer

Option D

A non-key attribute depends on another non-key attribute through a chain from the key.

Additional Explanation

Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.