Consider a relational schema R(A, B, C, D) with a set of functional dependencies F =...
Consider a relational schema R(A, B, C, D) with a set of functional dependencies
F = { D --> AB, C --> B, CD --> A, AD --> B, B --> A }
a. Compute { B, C }+
b. Show that { C, D } is a candidate key of R.
c. Is { R1(A, B, C), R2(C, D ) } a lossless-join decomposition? Why?
d. Compute a minimal cover Fmin of F.
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Consider a relational schema R(A, B, C, D) with a set of
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