0 votes 0 votes 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 iita asked Jan 26, 2017 iita 378 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Hence Function is Lossless and FD preserving. skraj answered Jan 26, 2017 skraj comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes It is lossless as well dependency preserving cse23 answered Jan 26, 2017 cse23 comment Share Follow See all 0 reply Please log in or register to add a comment.