Database Reference
In-Depth Information
2.5 Components of DBMS Suite
The DBMS is actually a complex conglomeration of software components working
together for a set of common objectives. For the purpose of illustration, we may represent
the essential components of the DBMS as the following:
DBMS Engine
Data Definition Subsystem
User Interface Subsystem
Application Development Subsystem
Data Administration Subsystem
Data Dictionary Subsystem
Data Communications Manager
Utilities Subsystem
These functional components (illustrated in Figure 2-3 ) are not necessarily tangibly
identifiable, but they exist to ensure the acceptable performance of the DBMS.
Figure 2-3. Functional Components of a DBMS
 
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