Past Only Equaling Advances In Computer Hardware Modern Technology, Oracle Became a Motorist In the Components Market When Exadata Was Presented In 2008. Exadata Is Much More Than a Device Along With Pre-Installed Database Software. Exadata Is the Formation of Software and Equipment, Where Critical Database Functions Are Distributed Around the Hardware Elements. Other Modern-Day Equipment Systems Still Adhere to a Regular Figure Out + Storing System Architecture That Does Certainly Not Run In the Same Manner. Exadata Storing Performs Not Merely Store and Also Recover Blocks of Records. the Center Database Motor Offloads Vital Functionalities to the Exadata Storing to Carry Out Those Features With the Marginal Motion of Singles. This Paper Gives a Review on Database Security and Advantages of Dbms.