This handbook provides an up-to-date overview of data security models, techniques, and architectures for a variety of data management applications and settings. In addition, the book outlines future research directions for the field. Edited by world renowned leaders in data security, the handbook emphasizes aspects of data centric security that reach beyond traditional and well known approaches. SQL standards and security in commercial and open-source database management systems are all covered in detail. In addition to researchers in industry and academia, the treatment is highly suited for advanced-level students in computer science.