Question: Consider the schema R = ( A , B , C , D , E , F ) on which the following functional dependencies hold:

Consider the schema R=(A,B,C,D,E,F) on which the following functional dependencies hold:
AB
BCD
EC
DA
What are the candidate keys, primary key and Secondary keys of R? Also mention 10 super
keys.
Consider the schema R=(A,B,C,D,E,F) on which the following functional dependencies hold:

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