dependency preserving
Let R (X, Y, Z, W) be a relational schema with the following functional dependencies: X → Y, Y → Z, Z → W and W → Y. The decomposition of R into (X, Y), (Y, Z), (Y, W) ___ Plz tell whether lossy/lossless and FD preserving or not
Let R (X, Y, Z, W) be a relational schema with the following functional dependencies:X → Y, Y → Z, Z → W and W → Y.The decomposition of R into (X, Y), (Y, Z), (Y,...