Foundations of Databases : The Logical Level

Written by three leading researchers in the field, this book provides in-depth coverage of the theory concerning the logical level of database management systems, including both classical and advanced topics. Features *Emphasizes query languages for the relational model including coverage of different language paradigms, expressive power, and complexity. *Presents a unified theory of dependencies, including those commonly arising in practice, and their use in optimization and schema design. *Provides theoretical underpinnings of several emerging topics, including deductive and object-oriented databases. *Includes detailed proofs and numerous examples and exercises. 0201537710B04062001