Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Database Administrator (DBA)

  • M. Tamer Özsu
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_80652

Definition

A database administrator (DBA) is a person with the overall responsibility to manage a database installation. The typical tasks performed by a DBA are database installation, configuration, performance monitoring, security and privacy management, backup and recovery, and database migration when needed. DBA uses a number of database configuration, tuning, and monitoring tools to achieve these tasks. It may be more appropriate to consider DBA as a “role” rather than a single person, as these tasks might be shared among multiple individuals.

Historical Background

Early database installations were reasonably small, and the DBMS software was relatively simple that end users could easily perform the tasks of a DBA. However, the size and complexity of these installations quickly grew as more applications were ported to database systems, while, at the same time, the DBMSs started providing rich feature sets. Managing this became a specialized job that now requires significant...

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Recommended Reading

  1. 1.
    Elmasri R, Navathe S. Fundamentals of database systems, 7th ed. Pearson; 2016.Google Scholar
  2. 2.
    Silberschatz A, Korth HF, Sudarshan S. Database system concepts, 6th ed. McGraw-Hill; 2010.Google Scholar
  3. 3.
    Ramakrishnan R, Gehrke J. Database management systems, 3rd ed. McGraw-Hill; 2002.Google Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Cheriton School of Computer ScienceUniversity of WaterlooWaterlooCanada

Section editors and affiliations

  • Ramez Elmasri
    • 1
  1. 1.Computer ScienceThe University of Texas at ArlingtonArlingtonUSA