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the answer is 2 because a candidate key should define all the attributes of any relation. in second depandancy (a,d) is not defining all the attributes of the relation(a,b,c,d,e)
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Database Normalization #9
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the answer is 2 because a candidate key should define all the attributes of any relation. in second depandancy (a,d) is not defining all the attributes of the relation(a,b,c,d,e)