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Indexing of Data Warehouses

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Encyclopedia of Database Systems

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Synonyms

Data warehouse indexing

Definition

Indices are data structures especially designed to allow rapid access to data in large databases. Data warehouses are typically used to perform intensive analyses of very large data sets. Several indices, such as projection indices, bitmap indices, bitslice indices, and summary indices, have been developed to address the special needs of data warehousing, and are presented in this entry.

Historical Background

Data warehouses were developed to capture operational information, store it over a long period, and provide support for intensive analysis of historical data. The special needs of data warehouses – very large data sets, high dimensional data, and the extensive use of categorical data – has led to the development of specialized indices intended for use in data warehouses. The use of these indices was pioneered in such systems as Model 204 and Sybase IQ.

Foundations

Indices, such as B-trees, R-trees, quad-trees, hash tables, and inverted...

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Recommended Reading

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Author information

Authors and Affiliations

  1. AT&T Labs Research, Florham Park,, NJ, USA

    Theodore Johnson

Authors
  1. Theodore Johnson
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Editor information

Editors and Affiliations

  1. College of Computing, Georgia Institute of Technology, 266 Ferst Drive, 30332-0765, Atlanta, GA, USA

    LING LIU (Professor) (Professor)

  2. Database Research Group David R. Cheriton School of Computer Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, ON, Canada

    M. TAMER ÖZSU (Professor and Director, University Research Chair) (Professor and Director, University Research Chair)

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© 2009 Springer Science+Business Media, LLC

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Johnson, T. (2009). Indexing of Data Warehouses. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_200

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