Database System Administrator (SYSDBA)
The database system administrator (
database user class SYSDBA) is the first database user that is created when a new database instance is registered. Enter a user name and password for this user.Each database instance has one single SYSDBA user.
The SYSDBA user’s password can be changed once the database registration has finished.
The SYSDBA user is very important, especially when database instances are installed. The SYSDBA user is responsible for setting up the system and for creating other database users. The SYSDBA user is the owner of system tables. When system tables are uploaded, the upload tool logs on to the database instance as SYSDBA.
The SYSDBA is able to define data and database procedures. The SYSDBA can also grant other users privileges for these database objects.
Furthermore, the SYSDBA has all
DBM operator authorizations and is able to carry out all Database Manager functions.