The topics covered in the exam include the following:

Installing Oracle Database 10g Software Creating and Controlling Oracle Databases Implementing Oracle Security Features Administering Users Managing Schema Objects and Data Performing Database Backup and Recovery Monitoring Performance ORACLE OCA DBA 10g Practice Tests allows you to learn faster and easier. 

Creating and Controlling Oracle Databases

Implementing Oracle Security Features

Administering Users

Managing Schema Objects and Data

Performing Database Backup and Recovery

Monitoring Performance