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Encyclopedia of Database Systems pp 1–2Cite as

Data Mart

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Definition

A data mart is a small-sized data warehouse focused on a specific subject. While a data warehouse is for an entire enterprise, a data mart is built to address the specific analysis needs of a business unit. Hence, we can define a data mart as a small-sized data warehouse that contains a subset of the enterprise data warehouse or a limited volume of aggregated data for specific analysis needs of a business unit, rather than the needs of the whole enterprise. Thus, an enterprise usually ends up having many data marts.

Main Text

While a data warehouse is for a whole enterprise, a data mart focuses on a specific subject of a specific business unit. Thus, the design and management of a data warehouse must consider the needs of the whole enterprise, while those of a data mart are focused on the analysis needs of a specific business unit such as the sales department or the finance department. Thus, a data mart shares the characteristics of a data warehouse, such as being...

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References

  1. Kimball R, Ross M. The data warehouse toolkit: The Definitive Guide to Dimensional Modeling. 3rd ed. New York: Wiley; 2013.

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  2. Inmon WH. Building the data warehouse. 3rd ed. Hoboken: Wiley; 2002.

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Author information

Authors and Affiliations

  1. College of Computing & Informatics, Drexel University, Philadelphia, PA, 19104, USA

    Il-Yeol Song

Authors
  1. Il-Yeol Song
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Corresponding author

Correspondence to Il-Yeol Song .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, Georgia, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, Ontario, Canada

    M. Tamer Özsu

Section Editor information

  1. Department of Computer Science, Aalborg University, Selma Lagerløfs Vej 300, 9220, Aalborg, Denmark

    Torben Bach Pedersen

  2. DISI, Univ. of Bologna, Viale Risorgimento, 2, 40136, Bologna, Italy

    Stefano Rizzi

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© 2016 Springer Science+Business Media New York

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Song, IY. (2016). Data Mart. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_883-3

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  • DOI: https://doi.org/10.1007/978-1-4899-7993-3_883-3

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4899-7993-3

  • eBook Packages: Springer Reference Computer SciencesReference Module Computer Science and Engineering

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