As an Oracle Database Administrator (DBA) one should know for a Successful Career:

Oracle Database Administrator is one of the most prominent and attractive careers for any individual who is really interested in growing his/her career in the administrator role. For a successful career, we should have a details knowledge of the following topics:

• How to take Backup and restoration
• Sound Knowledge of Basic optimizations
• The ethics of Working with developers
• Knowledge of Storage systems
• How to read a query plan
• Knowledge of normalization
• Knowledge of SQL
• Broaden Knowledge of Operating Systems
• Scripting languages
• Stored procedures and triggering