The following scenarios are designed to allow you to gain experience and comfort with the Export and Import utilities. They are presented in order of increasing complexity.
Take a full export of your database.
Drop a table and then import it.
Drop a user and then import the user.
Perform a full import of the database.
Drop a table and then use the data dictionary to determine whether to import using the full or incremental export.
Perform a full import of the database using the full and incremental exports.