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DBMS Component

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Encyclopedia of Database Systems

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Synonyms

DBMS Module

Definition

A component is a self-contained piece of software in a database system. A component can be defined at different levels of coarseness. At the coarsest level, the components of a relational database management system consist of the client communications manager, the process manager, a relational query processor, a transactional storage manager, and utilities [1].

Key Points

The components of a relational database management system can be further refined into subcomponents [1]. The client communications manager consists of local client protocols and remote client protocols. The process manager consists of admission control and dispatch and scheduling. The relational query processor consists of query parsing and authorization, query rewrite, query optimization, plan execution, and DDL and utility processing. The transactional storage manager consists of access methods, a buffer manager, a lock manager, and a log manager. Sub-components that comprise the...

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Recommended Reading

  1. Hellerstein J.M., Stonebraker M. and Hamilton J. Architecture of a Database System. In Foundations and Trends in Databases, 1(2):141–259, 2007.

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  2. Ramakrishnan R. and Gehrke J. Database Management Systems, 3rd edition. McGraw-Hill Science/Engineering/Math, 2002.

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Author information

Authors and Affiliations

  1. Cornell University, Ithaca, NY, USA

    Johannes Gehrke

Authors
  1. Johannes Gehrke
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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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Gehrke, J. (2009). DBMS Component. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_672

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