If R is decomposed in to R1(A, B, and R2(A, D, E), which of the following holds?
A. Decomposition is Loss-less Join Decomposition
B. Decomposition is Dependency Preserving Decomposition
C. Decomposition is both (a) and (b)
D. Decomposition is Lossy-Join Decomposition
Answer:A
If R is decomposed in to R1(A, B, and R2(A, D, E), which of the following holds?
A. Decomposition is Loss-less Join Decomposition B. Decomposition is Dependency Preserving Decomposition C. Decomposition is both (a) and (b) D. Decomposition is Lossy-Join Decomposition