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(Solved): a) State the algorithm for computing the minimal cover of a set of functional dependencies and henc ...



a) State the algorithm for computing the minimal cover of a set of functional dependencies and hence or otherwise find the minimal cover for R  (A,B,C) and set of FDs F: {A  C, AC  B,B  A,C  AB} [6 marks] b) Define normalization in databases and hence or otherwise state when a table is in 1st, 2nd , 3 rd and Boyce cord Normal forms. [4 marks] c) Consider the relation R = {A, B, C, D, E, F, G, H, I,J} and the set of functional dependencies. F ={{A, B}  {C}, {A}  {D, E}, {B}  {F}, {F} {G, H},{D} {I, J }}, Determine the key for R and hence or otherwise decompose R into 2NF and then 3NF relations. [10 marks]



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