DBMS - Database Management System Online Test


There is only conceptual schema per database.

Any redundancies that exist in the DBMS are controlled and the system ensures that these multiple copies are .

The consists of the memory components of Oracle and various background processes.

In the Primitive data models approach, objects are represented by structures grouped in file-structures.

The DBA grants different types of for data access to the various users of the database.

There are basic notions that the E-R data model employs.

The database administrator is the focus of the control.

The consists of physical files and memory components.

Each transactional table handler implements its own to handle all locking and concurrency needs.

means that the data contained in the database is both accurate and consistent.