Database systems have been extremely important part in daily life, because it is processing daily huge amounts of data, it has been depended for wide field's such as bank system, personal system, medical system, communication system, ...etc. Sensitive data is stored in database, in other words, data that an attacker looking for, is stored in database, so concerning of protecting these data have been a critical issue, this concern is the central theme of database security. Database security is ensures the secrecy, integrity, and availability of stored data. There are many techniques and...