Addressing important extensions of the relational database model, including deductive, temporal, and object-oriented databases, this book provides an overview of database modeling with the Entity-Relationship (ER) model and the relational model. The book focuses on the primary achievements in relational database theory, including query languages, integrity constraints, database design, computable queries, and concurrency control. This reference will shed light on the ideas underlying relational database systems and the problems that confront database designers and researchers.
Introduction.- The Entity Relationship Model.- The Relational Data Model.- Relational Database Design.- Incomplete Information in the Relational Data Model.- Computable Database Queries and the Expressiveness of the Relational Algebra.- Temporal Relational Databases.- Concurrency Control and Recovery.- Deductive Databases.- Extensions to the Relational Data Model and Recent Directions.
Overview
Addressing important extensions of the relational database model, including deductive, temporal, and object-oriented databases, this book provides an overview of database modeling with the Entity-Relationship (ER) model and the relational model. The book focuses on the primary achievements in relational database theory, including query languages, integrity constraints, database design, computable queries, and concurrency control. This reference will shed light on the ideas underlying relational database systems ...