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An extended entity-relationship model : fundamentals and pragmatics / Martin Gogolla.

By: Gogolla, Martin, 1954-Material type: TextTextSeries: Serienbezeichnung | Lecture notes in computer science ; 767.Publisher: Berlin ; New York : Springer-Verlag, ©1994Description: 1 online resource (x, 136 pages) : illustrationsContent type: text Media type: computer Carrier type: online resourceISBN: 9783540483014; 3540483012Subject(s): SQL (Langage de programmation) | Entity-relationship modeling | Prolog (Computer program language) | SQL (Computer program language) | Bases de données relationnelles | Prolog (Langage de programmation) | Entity-relationship modeling | Prolog (Computer program language) | SQL (Computer program language) | Relationele databanken | SQL | PROLOG | Bases de données relationnelles | Prolog (langage de programmation) | SQL (langage de programmation)Genre/Form: Electronic books. | Congressen (vorm) Additional physical formats: Print version:: No titleDDC classification: 005.75 LOC classification: QA76.9.D3 | G63 1994Other classification: 54.64 Online resources: Click here to access online
Partial contents:
1. Introduction -- 2. Structure of Data and Entities -- 3. Extended Entity-Relationship Calculus -- 4. PROLOG Implementation -- 5. Formal Semantics of SQL -- 6. Conclusions.
Action note: digitized 2011 committed to preserveSummary: 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.
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Includes bibliographical references (pages 123-133) and index.

1. Introduction -- 2. Structure of Data and Entities -- 3. Extended Entity-Relationship Calculus -- 4. PROLOG Implementation -- 5. Formal Semantics of SQL -- 6. Conclusions.

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Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2011. MiAaHDL

Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. MiAaHDL

http://purl.oclc.org/DLF/benchrepro0212

digitized 2011 HathiTrust Digital Library committed to preserve pda MiAaHDL

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.

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