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This volume aims to present recent advances in database technology from the viewpoint of the novel database paradigms proposed in the last decade. It focuses on the theory of the extended relational model, and an example of an extended relational database programming language, Algres, is described. A free copy of Algres complements this work, and is available on the Internet.

Databaseprogrammingis the process ofdeveloping data-intensiveapplications which demand the access to large amounts of structured, persistent data. The primary tool required for implementing such applications is a database programming language, namely aformal language which is specialized in the definition and manipulationof relevant large-scale data. As such, a database programming language is expected to provide high-level data modeling capabilitiesas well as avarietyofconstructs which facilitatethehandlingofthespecifieddata. Inthis perspective, the aim of this book is: (i) to present the...