If a relation schema is in 2NF, then it is definitely in:
2018
If a relation schema is in 2NF, then it is definitely in:
Answer: A. 1NF — Database normalization follows a hierarchical structure where each higher normal form builds upon the previous one. To achieve Second Normal Form (2NF), a…
- A.
1NF
- B.
4NF
- C.
3NF
- D.
BCNF
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Correct answer: A
Database normalization follows a hierarchical structure where each higher normal form builds upon the previous one. To achieve Second Normal Form (2NF), a relation must first satisfy all conditions of First Normal Form (1NF). Consequently, any schema in 2NF is inherently guaranteed to be in 1NF as well.
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