Question: Let the Universal table be R = {A, B, C, D, E, F, G, H} Let FD = {AE -> B, B -> C, C

Let the Universal table be R = {A, B, C, D, E, F, G, H} Let FD = {AE -> B, B -> C, C -> D, CF -> DE, CH -> D, D -> E, DE -> F, EFG -> D, F -> G, FH -> C} be the functional dependency set. A. What is the closure of ABH? B. Is ABH a super key? C. Is ABH a key? Why?

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