Consider the relation R(S, N, R, C, J, H, L) and its set of dependencies. F= {S, N -> C ; J, H, C -> L ; J, H, L -> S, N, R ; S, N, R -> J, H, L}. Prove that FE J, H, S, N → R using the Armstrong's axioms?

Consider the relation R(S, N, R, C, J, H, L) and its set of dependencies. F= {S, N -> C ; J, H, C -> L ; J, H, L -> S, N, R ; S, N, R -> J, H, L}. Prove that FE J, H, S, N → R using the Armstrong's axioms?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider the relation R(S, N, R, C, J, H, L) and its set of dependencies.
F = {S, N -> C ; J, H, C -> L ; J, H, L-> S, N, R ; S, N, R -> J, H, L}.
Prove that F E J, H, S, N → Rusing the Armstrong's axioms?

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