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4. Consider the universal relation R (A, B, C, D, E, F, G, H, I, J, K and the set of functional dependencies G-A, BC,

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4. Consider the universal relation R (A, B, C, D, E, F, G, H, I, J, K and the set of functional dependencies G-A, BC, K, B, D-E, F, A, DG, H A-I, H-.What is the key for R? Is this relation 2NF? 3NF? If not, decompose R into 2NF and then 3NF relations

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