Can a nondense (sparse) index be used in the implementation of an aggregate operator? Why or why

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Can a nondense (sparse) index be used in the implementation of an aggregate operator? Why or why not?

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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 08:21 AM

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Can a nondense (sparse) index be used in the implementation of an aggregate operator? Why or why

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A nondense sparse index contains entries for only some of the s...View the full answer

Fundamentals of Database Systems

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