5. [30 points] Consider the universal relation R = (A, B, C, D, E, F, G,...
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5. [30 points] Consider the universal relation R = (A, B, C, D, E, F, G, H, I, J) and the set of functional dependencies A, B -> C B, D -> E, F A, D -> G, H A -> I H-> J What is the key for R? Decompose R into 2NF, and then into 3NF relations. 5. [30 points] Consider the universal relation R = (A, B, C, D, E, F, G, H, I, J) and the set of functional dependencies A, B -> C B, D -> E, F A, D -> G, H A -> I H-> J What is the key for R? Decompose R into 2NF, and then into 3NF relations.
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