Answer & Explanation

4 Answers
Verified Correct Answer

Option A

It removes partial dependency of a non-key attribute on part of a composite candidate key.
Additional Explanation
Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.
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Editorial Answer 1
Verified

Option B

It removes all transitive dependencies automatically.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 2
Verified

Option C

It removes every foreign key.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 3
Verified

Option D

It requires every table to have JSON.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 4