What are the roles of database and database administrators?

A database is a storage that contains data. To manage data in the database different roles are assigned . One such role is of a DBA that is database administrator that is responsible for managing the database.

A database stores data and manages data. It allows people to enter data and get information from the data in the form of queries or reports.

A database administrator looks after the maintenance of the database, including things like the design, testing, security etc. He services the needs of users that have to access the database.