Question: Can you help me answer Part A, B and C 3.2.9 Exercises for Section 3.2 Exercise 3.2.1: Consider a relation with schema R(A, B,C, D)

Can you help me answer Part A, B and C
 Can you help me answer Part A, B and C 3.2.9

3.2.9 Exercises for Section 3.2 Exercise 3.2.1: Consider a relation with schema R(A, B,C, D) and FD's AB C. C D, and D A. a) What are all the nontrivial FD's that follow from the given FD's? You should restrict yourself to FD's with single attributes on the right side. b) What are all the keys of R? c) What are all the superkeys for R that are not keys

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