Question
For the universal relation R(w, x, y, z), consider the decomposition D consisting of R1(x, y, z) and R2(w, x), and the set F of
For the universal relation R(w, x, y, z), consider the decomposition D consisting of R1(x, y, z) and R2(w, x), and the set F of functional dependencies { x -> w,y ; y -> z ; w -> z }.
a. Compute the projection of F on R1.
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Constraint Databases And Applications Esprit Wg Contessa Workshop Friedrichshafen Germany September 1995 Proceedings Lncs 1034
Authors: Gabriel Kuper ,Mark Wallace
1st Edition
3540607943, 978-3540607946
