Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the

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Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the set of functional dependencies F = { {A, B} -> {C}, {A} -> {D, E}, {B} -> {F}, {F} -> {G, H}, {D} -> {I, J} }. What is the key for R? Decompose R into 2NF, then 3NF relations.

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Fundamentals of Database Systems

ISBN: 978-0136086208

6th edition

Authors: Ramez Elmasri, Shamkant Navathe

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Question Posted: Apr 26, 2016 08:19 AM

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Consider the universal relation R = {A, B, C, D, E, F, G, H, I} and the

Question:

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A minimal set of attributes whose closure includes all the attributes in R is a key One can also app...View the full answer

Fundamentals of Database Systems

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