What types of data (or fields) should never be stored more than once in a relational database?

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What types of data (or fields) should never be stored more than once in a relational database? What types of data (or fields) usually must be stored more than once in a relational database?

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Systems analysis and design in a changing world

ISBN: 978-1423902287

5th edition

Authors: John W. Satzinger, Robert B. Jackson, Stephen D. Burd

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Question Posted: Dec 27, 2012 05:10 AM

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What types of data (or fields) should never be stored more than once in a relational database?

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Nonkey fields should never be stored more than o...View the full answer

Systems analysis and design in a changing world

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