The tag has no wiki summary.

learn more… | top users | synonyms

-1
votes
0answers
83 views

Loossless join decompositions

We know the Lossless-Join Decomposition. If we have Relation $R(A,B,C,D)$ and Functional Dependencies $F=\{A\to B, B\to C, C\to D\}$, $$R1(A,D), R2(B,D), R3(C,D)$$ is not a lossless decomposition, ...
0
votes
1answer
52 views

BCNF Decomposition: Confusion regarding given answer

I encountered the following question: Given a relation R(A, B, C, D) with the following functional dependencies: A -> B, C -> D, B -> C. The BCNF Decomposition of R is: A) {(A,B), (C,D), (B,C)} B) ...