Question: Given the relation R(ABCDEF) and the functional dependency set F = {B D, E F, DE, D B, F BD}. 1. Is the decomposition

Given the relation R(ABCDEF) and the functional dependency set F = {B D, E F, DE, D B, F BD}. 1. Is the decomposition ABDE, BCDF lossless? If not, what functional dependency could you add to make it lossless? 2. Is it dependency preserving? If not, what functional dependency could you add to make it dependency preserving?

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