This book aims to discuss in depth the current state of research and practice in database security. It documents progress and provides researchers and students with a broad perspective of recent developments in what is recognised as a key topic in business and in the public sector.Preface. Part 1: Novel Systems. Part 2: Distributed and Federated Systems. Part 3: Objected-Oriented Systems. Part 4: Work Flow. Part 5: Architectures and Systems. Part 6: Role-based Access Control. Part 7: Multilevel Security. Part 8: Policy Modeling. Part 9: System Implementation.