August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
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1.7. Database Administrator (DBA)
A database administrator (DBA) is an individual person or group of persons with an overview of one or more databases who controls the design and the use of these databases. A DBA provides the necessary technical support for implementing policy decisions of databases. Thus, a DBA is responsible for the overall control of the system at technical level and unlike a DA, he or she is an IT professional. A DBA is the central controller of the database system who oversees and manages all the resources (such as database, DBMS and related software). The DBA is responsible for authorizing access to the database, for coordinating and monitoring its use and for acquiring software and hardware resources as needed. They are ...