The following lists all initial users in alphabetical order:
Used as part of a demo.
Used to support the Oracle Enterprise Manager SNMP intelligent agents.
Contains support for multidimensional databases.
Contains support for Oracle image objects.
The recommended name of the user that owns the recovery catalog, used by the RMAN facility. Actually, this can be any user.
The ubiquitous userid used for years for Oracle demos and training classes. Owns the infamous EMP and DEPT tables.
Owns the data dictionary and is the user to which you connect when you CONNECT INTERNAL. This user is automatically granted the DBA role.
Used to manage the database, and occasionally to hold tables and packages that support additional features within the database. This user is automatically granted the DBA role.