Question: Consider the following 3 problems in Database Management below: 1. Consider the following relation r below. Which of the following FDs does r satisfy? 2.

Consider the following 3 problems in Database Management below:

Consider the following 3 problems in Database Management below: 1. Consider the

1. Consider the following relation r below. Which of the following FDs does r satisfy? 2. Let F-(AB C, B D.CD E.CE GII,G A). Using Armstrong's axioms, give proofs for the following: 3. Prove or disprove the following inference rules for a relation r(R) with W. X, Y, and Z subsets of attributes of R. b, XY Z and Z X imply Z Y. C. X Y and Y Z imply X YZ

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