- Class Level: Beginner Intermediate Expert
- Age Requirements: Teens Adults
- Average Class Size: 10
When a database is created, the user system is also automatically created and granted the DBA role. The system username is used to create additional tables and views that display administrative information, and internal tables and views used by various Oracle options and tools.
A user privilege is a right to execute a particular type of SQL statement, or a right to access another user's object. The types of privileges are defined by Oracle. Roles, on the other hand, are created by users and are used to group together privileges or other roles.