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Retrieval of data in SQL can be sped up by the creation of indexes in a table. Explain what an index is and how it
Retrieval of data in SQL can be sped up by the creation of indexes in a table. Explain what an index is and how it works in speeding up data retrieval. Describe one issue that can occur by using too many indexes in a table.
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An index in a database is a data structure that improves the speed of data retrieval operations on a table It works by creating a separate data struct...
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Fundamentals Of Database Systems
Authors: Ramez Elmasri, Shamkant Navathe
7th Edition
0133970779, 978-0133970777
