Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VWXY, VX, WZ,...

 

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Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VWXY, VX, WZ, YZZ, ZV} A. Give three independent reasons why the following table cannot possibly be a legal instance of R. V vl v2 v2 W X Y Z w1 x1 yl zl wl x2 y2 zl w2 x1 y2 z2 B. Show the functional dependencies that hold on each of R1=VWX and R2=WYZ. You do not need to show trivial functional dependencies, or those implied by others in the same set, but you must show all others. C. Is the decomposition of R into R1=VWX and R2=WYZ lossless-join? Why or why not? Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VWXY, VX, WZ, YZZ, ZV} A. Give three independent reasons why the following table cannot possibly be a legal instance of R. V vl v2 v2 W X Y Z w1 x1 yl zl wl x2 y2 zl w2 x1 y2 z2 B. Show the functional dependencies that hold on each of R1=VWX and R2=WYZ. You do not need to show trivial functional dependencies, or those implied by others in the same set, but you must show all others. C. Is the decomposition of R into R1=VWX and R2=WYZ lossless-join? Why or why not?

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It appears that the image contains a databaserelated question about a relation schema R with attributes V W X Y Z and a set of functional dependencies Lets address each part of the question A The goal ... View the full answer