Database management system exam questions and answers pdf

DBA administers the three levels of the database and, in consultation with the overall user community, sets up the definition of the global view or conceptual level of the database

Mappings between the internal and the conceptual levels, as well as between the conceptual and external levels, are also defined by the DBA

Thus, A DBMS may STORE, DELETE or MODIFY records within a database

In this way, a number of records within a network database are dynamically changed