An Extended Entity-Relationship Model

Author: Martin Gogolla
Edition: 1994
Binding: Paperback
ISBN: 3540576487

An Extended Entity-Relationship Model: Fundamentals and Pragmatics (Lecture Notes in Computer Science)

This text presents a comprehensive introduction to an extended Entity-Relationship model both on a conceptual and on a formal, mathematicallevel. Get An Extended Entity-Relationship Model computer books for free.
In addition to the primitives given by the data model the text introduces a language for the formulation of constraints in order to restrict database states to consistent ones. The text explains an implementation of the approach chosen in the logic programing language PROLOG and discusses in this context the computational power of the proposedcalculus. The extended Entity-Relationship calculus is used to define the meaning of the relational query language SQL. A nice feature of the approach is that it becomes possible to prove language properties on Check An Extended Entity-Relationship Model our best computer books for 2013. All books are available in pdf format and downloadable from rapidshare, 4shared, and mediafire.

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A nice feature of the approach is that it becomes possible to prove language properties on

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