Question: Problem 4 : Given the relation R ( A , B , C , D ) with FDs A B and B C D ,

Problem 4: Given the relation R(A,B,C,D) with FDs AB and BCD, if we projected attributes A,B,
C, i.e.R1:=A,B,C(R)
What is the minimal basis, T for our new relation R1?
a. Compute the closure table for R1
b. Identify all non-trivial FDs that follow from R1 given the FDs from relation R.
c. Find the minimal basis of T for R1.
Problem 4: Given the relation R(A,B,C,D) with FDs AB and BCD,

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