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What is TRUE about the Second Normal Form (2NF)?

16. What is TRUE about the Second Normal Form (2NF)?

1. Relational must belong to 1NF in the 2NF.
2. All attributes other than the primary key are fully functional in the second normal form
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

In case of Second Normal Form (2NF) -

1. Relational must belong to 1NF in the 2NF.
2. All attributes other than the primary key are fully functional in the second normal form