Question
Consider a relation schema R = (A, B, C, D, E) and a set F consisting of the following functional dependencies that hold on R:
Consider a relation schema R = (A, B, C, D, E) and a set F consisting of the following functional dependencies that hold on R:
A -> C, AC -> E, AD -> B, B -> ADE, D-> E.
Find a canonical cover Fc for F. Hint: There are two extraneous attributes in two different functional dependencies of F.
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Machine Learning And Knowledge Discovery In Databases European Conference Ecml Pkdd 2015 Porto Portugal September 7 11 2015 Proceedings Part 1 Lnai 9284
Authors: Annalisa Appice ,Pedro Pereira Rodrigues ,Vitor Santos Costa ,Carlos Soares ,Joao Gama ,Alipio Jorge
1st Edition
3319235273, 978-3319235271
