Given the relation R(T, V, W, X, Y, Z) and the FDs: TV --> W V...
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Given the relation R(T, V, W, X, Y, Z) and the FDs: TV --> W V --> X WX --> Y WY --> Z Z --> T a) Is XY --> Z derivable? Justify your answer (show your work) b) Is TV --> Y derivable? Justify your answer (show your work) c) Is WX --> V derivable? Justify your answer d) What are the candidate keys? Show your work. hint: there are 3 Given the relation R(T, V, W, X, Y, Z) and the FDs: TV --> W V --> X WX --> Y WY --> Z Z --> T a) Is XY --> Z derivable? Justify your answer (show your work) b) Is TV --> Y derivable? Justify your answer (show your work) c) Is WX --> V derivable? Justify your answer d) What are the candidate keys? Show your work. hint: there are 3 Given the relation R(T, V, W, X, Y, Z) and the FDs: TV --> W V --> X WX --> Y WY --> Z Z --> T a) Is XY --> Z derivable? Justify your answer (show your work) b) Is TV --> Y derivable? Justify your answer (show your work) c) Is WX --> V derivable? Justify your answer d) What are the candidate keys? Show your work. hint: there are 3
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Related Book For
Holt McDougal Larson Geometry
ISBN: 9780547315171
1st Edition
Authors: Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
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