List all functional dependencies satisfied by the relation of Figure.
Answer to relevant QuestionsUse the definition of functional dependency to argue that each of Armstrong’s axioms (reflexivity, augmentation, and transitivity) is sound.Use Armstrong’s axioms to prove the soundness of the pseudotransitivity rule.Let R1, R2, Rn be a decomposition of schema U. Let u (U) be a relation, and let r i = IIRI (a). Show that u ⊆ r1 1 r2 1 • • • 1 rnLet a prime attribute be one that appears in at least one candidate key. Let α and β be sets of attributes such that α → β holds but β → α do not hold. Let A be an attribute that is ...Explain why ambiguity potentially exists with multiple inheritances. Illustrate your explanation with an example.
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