Which of the following is not a normal form of relational database?
- A0NF
- B2NF
- C1NF
- D3NF
Explanation
1NF, 2NF, 3NF, and 4NF are all valid normal forms in relational database theory. 0NF (Unnormalized Form) is not a normal form. Option A has been corrected to 0NF to make it the correct choice.
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