Indices speed query processing, but it is usually a bad idea to create indices on every attribute,
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Indices speed query processing, but it is usually a bad idea to create indices on every attribute, and every combination of attributes, that are potential search keys. Explain why.
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Reasons for not keeping several search indices include a Every index requires additio...View the full answer
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Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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