The competitive edge of many companies and public trust in government institutions can often depend on the security of the information held in databases.
Security is therefore a highly topical issue for both designers and users of database systems.
This book provides an authoritative account of security issues in databases systems and shows how current commercial or future systems may be designed to ensure secrecy, integrity and confidentiality. This book is suitable for advanced courses on database security, and is a reference not only for database administrators and designers, systems analysts and developers, but also for IT managers responsible for the security of information systems. About the authors Based on the University of Milan and University of Pavia, the authors have a wealth knowledge of database security in information systems and have contributed to this field in many ways, including research, articles and books, holding key posts on security committees, undertaking consultancy work for companies and governmental organizations, as well as teaching the subject both in academic and professional environments. Consistency and transformation rules 2.5 Wood et al.