• Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
An Extended Entity-Relationship Model: Fundamentals and Pragmatics

An Extended Entity-Relationship Model: Fundamentals and Pragmatics

Paperback

Series: Lecture Notes in Computer Science, Book 767

DatabasesProgramming

ISBN10: 3540576487
ISBN13: 9783540576488
Publisher: Springer Nature
Published: Jan 28 1994
Pages: 141
Weight: 0.50
Height: 0.33 Width: 6.14 Depth: 9.21
Language: English
This text presents a comprehensive introduction to an extended Entity-Relationship model both on a conceptual and on a formal, mathematicallevel. 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 a sound mathematical basis.

Also in

Databases