This text offers an in-depth examination of the role of accountants in database design, development, and reliability assessment. The text focuses on the processes used to develop quality and reliable database-driven accounting systems. Particular attention is given to control and security issues related to highly integrated database systems. The text concludes with a focus on providing assurance related to data quality in internal and public domain databases. The text will provide a good foundation book for control and security issues faced by information systems specialists, while also providing the breadth of database understanding required for accounting and auditing professionals.