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Meta Data Repository

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Encyclopedia of Database Systems

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Synonyms

Meta data base; Meta data management system; Meta data manager; Meta data registry

Definition

A meta data repository (MDR) is a component which manages meta data. In the context of database systems, one example of meta data is information about the database schema, i.e., a description of the data. In addition, MDRs can manage information about the processes which create, use, or update the data, the hardware components that host these processes or the database system, or other (human) resources which make use of the data [6]. As meta data is also data, meta data repositories offer the same functionality for meta data as database management systems (DBMS) for data, e.g., queries, updates, transactions, access control.

Moreover, as meta data is semantically rich data, MDRs often employ object-oriented data models as the basis for the definition of meta data. MDRs should also offer predefined meta models for different types of meta data, so that the user is able to store meta...

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Recommended Reading

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Author information

Authors and Affiliations

  1. RWTH Aachen University, Aachen, Germany

    Christoph Quix

Authors
  1. Christoph Quix
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Corresponding author

Correspondence to Christoph Quix .

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. IIT, University of Skövde, Gothia Science Park, Portalen, Box 408, 54128, Skövde, Sweden

    Manfred Jeusfeld

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Quix, C. (2016). Meta Data Repository. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_909-2

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  • DOI: https://doi.org/10.1007/978-1-4899-7993-3_909-2

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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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