Semantics in Databases

ISBN-13: 9783540641995 / Angielski / Miękka / 1998 / 271 str.

Thalheim; Bernhard Thalheim; Leonid Libkin

Opis

A collection of nine papers on semantics in databases. They address traditional aspects such as dealing with integrity constraints, as well as new areas of databases. Oject-orientation, incomplete information, database transformations and other issues are investigated by applying formal semantics.

Spis treści

An informal and efficient approach for obtaining semantic constraints using sample data and natural language processing.- Achievements of relational database schema design theory revisited.- Semantics of database transformations.- The evolving algebra semantics of class and role hierarchies.- Semantics in spatial databases.- The additivity problem for data dependencies in incomplete relational databases.- A semantics-based approach to design of query languages for partial information.- Constraint databases: A survey.- Redundancy elimination and a new normal form for relational database design.