The database system administrator (SYSDBA user) is the first database user. This user has the most comprehensive rights of all database users.
The database system administrator is a database administrator who also has all the possible rights of a Database Manager operator (DBM operator).
See also:
Concepts of the Database System
· Database System Administrator (SYSDBA user)
· Conventions for User Names and Passwords
Database Manager GUI, Managing the Database System Administrator
Database Manager CLI, Managing Database Manager Operators