Database Administrator A person who has central control over the system is called a database administrator(DBA).Functions of a DBA include: ■Schema definition ■ Storage structure and access-method definition Schema and physical-organization modification Granting of authorization for data access ■Routine maintenance Periodically backing up the database ■ Ensuring that enough free disk space is available for normal operations,and upgrading disk space as required Monitoring jobs running on the database Database System Concepts-7th Edition 1.33 @Silberschatz,Korth and SudarshanDatabase System Concepts - 7 1.33 ©Silberschatz, Korth and Sudarshan th Edition Database Administrator ▪ Schema definition ▪ Storage structure and access-method definition ▪ Schema and physical-organization modification ▪ Granting of authorization for data access ▪ Routine maintenance ▪ Periodically backing up the database ▪ Ensuring that enough free disk space is available for normal operations, and upgrading disk space as required ▪ Monitoring jobs running on the database A person who has central control over the system is called a database administrator (DBA). Functions of a DBA include: