If you assume that a relation has no duplicate data, how do you know there is always

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If you assume that a relation has no duplicate data, how do you know there is always at least one primary key?

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Database Concepts

ISBN: 978-0133544626

7th edition

Authors: David M. Kroenke, David J. Auer

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Question Posted: Jan 09, 2019 05:57 AM

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If you assume that a relation has no duplicate data, how do you know there is always

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Database Concepts

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