Database Concepts

Published by Pearson
ISBN 10: 0133544621
ISBN 13: 978-0-13354-462-6

Chapter 2 - The Relational Model - Exercises - Page 109: 2.43C

Answer

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Work Step by Step

3rd NF is if a table is in 1st and 2nd NF and there exist no transitive dependencies B/W primary key and non primary key attributes. The tables ORDER_ITEM and ITEM(created during 2NF) both have no transitive dependencies .So, the tables are also in 3NF.
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