1) What are the canidate keys2) waht is the canonical cover of this relation R(A,B,C,D,E,G,H)F= {АВ — CD,C- D,СЕ — В,СЕН АВ,AD → DC,}

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1) What are the canidate keys 2) waht is the canonical cover of this relation

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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Question

1) What are the canidate keys

2) waht is the canonical cover of this relation

R(A,B,C,D,E,G,H)
F= {
АВ — CD,
C- D,
СЕ — В,
СЕН АВ,
AD → DC,
}

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