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Which of the following is not a type of inference rule in functional dependency?

7. Which of the following is not a type of inference rule in functional dependency?

1. Union Rule
2. Decomposition Rule
3. Pseudo Transitive Rule
4. None of the above

Answer: D) None of the above

Explanation:

The types of inference rules in functional dependencies are -

1. Union Rule
2. Decomposition Rule
3. Pseudo Transitive Rule