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Encyclopedia of Database Systems pp 1005Cite as

DBMS Component

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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 JM, Stonebraker M, Hamilton J. Architecture of a database system. Found Trends Databases. 2007;1(2):141–259.

    Article  MATH  Google Scholar 

  2. Ramakrishnan R, Gehrke J. Database management systems. 3rd ed. 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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Corresponding author

Correspondence to Johannes Gehrke .

Editor information

Editors and Affiliations

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

    Ling Liu

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

    M. Tamer Özsu

Section Editor information

  1. Informatique et Communications, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

    Anastasia Ailamaki

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Gehrke, J. (2018). DBMS Component. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_672

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