DBA roles and responsibilities:
(1) Creates and maintains all databases required for development, testing,
education and production usage.
(2) Performs the capacity planning required to create and maintain the
databases. The DBA works closely with system administration staff because
computers often have applications or tools on them in addition to the Oracle
Databases.
(3) Performs ongoing tuning of the database instances.
(4) Install new versions of the Oracle RDBMS and its tools and any other tools
that access the Oracle database.
(5) Plans and implements backup and recovery of the Oracle database.
