Oracle9i Database Fundamentals 1Z1-031: Managing Instances and
Creating Databases introduces users to managing an Oracle instance, creating
a database, and using globalization parameters.
Oracle9i Database Fundamentals 1Z1-031: Managing Storage
Structures and Undo Data introduces users to the underlying storage
structure of a database and to using undo segments.
Oracle9i Database Fundamentals 1Z1-031: Managing Users and
Profiles introduces users to creating and managing users and to control
resources using profiles.