Explain why an index is useful only if there is sufficient variety in the values of an

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Explain why an index is useful only if there is sufficient variety in the values of an attribute.

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Modern Database Management

ISBN: 978-0133544619

12th edition

Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi

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Question Posted: Dec 20, 2015 02:40 AM

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Explain why an index is useful only if there is sufficient variety in the values of an

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An index saves processing time by finding data that meet a prespecified qualifi...View the full answer

Modern Database Management

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