Security of databases and control of access is a sure, safe and secure means of protecting information stored in a database. These is achievable through both physical and technological means, through the application of security schemes after the careful identification of the threats that an organizational database is exposed to, while not overlooking privacy and legal related issues. Control mechanisms such as encryption, digital certificate, digital signature have been adopted to ensure security, as we as the database survivability where the database system faces difficult challenges through the identified threats.