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Q 7 . Consider the relation R = { A , B , C , D , E , F , G , H ,

Q7. Consider the relation R={A,B,C,D,E,F,G,H,I,J,K,L,M,N} and the functional dependencies
L}}.
(a)(2%) What is the key for R?
(b)(6%) Decompose R into 2NF, then 3NF relations.
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