Database Manager

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Database Manager

  1. The database manager is a program module which provides the interface between the low-level data stored in the database and the application programs and queries submitted to the system.

  2. Databases typically require lots of storage space (gigabytes). This must be stored on disks. Data is moved between disk and main memory (MM) as needed.

  3. The goal of the database system is to simplify and facilitate access to data. Performance is important. Views provide simplification.

  4. So the database manager module is responsible for
  5. Some small database systems may miss some of these features, resulting in simpler database managers. (For example, no concurrency is required on a PC running MS-DOS.) These features are necessary on larger systems.

Page created and maintained by Osmar R. Zaï ane
Last Update: Sun Sep 10 16:58:49 PDT 1995