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ISBN: 2841770257 Year: 1997 Publisher: Paris O'Reilly
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ISBN: 2871110220 Year: 1988 Volume: vol *16 Publisher: Herstal Bureau de calcul mathématique
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ISBN: 3540576487 0387576487 3540483012 Year: 1994 Volume: 767 Publisher: Berlin New York Springer-Verlag
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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.
Bases de données relationnelles --- PROLOG (Computer program language) --- PROLOG (Computer programmeertaal) --- PROLOG (Langage de programmation) --- Relational databases --- Relationele databases --- SQL (Computer program language) --- SQL (Langage de programmation) --- SQL (Programmeertaal) --- Relational databases. --- Information theory. --- Oncology . --- Computer science. --- Database management. --- Logic design. --- Software engineering. --- Theory of Computation. --- Oncology. --- Programming Languages, Compilers, Interpreters. --- Database Management. --- Logics and Meanings of Programs. --- Software Engineering. --- Data base management --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Generalized data management systems --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing --- Informatics --- Science --- Tumors --- Communication theory --- Communication --- Cybernetics --- Computer software engineering --- Engineering --- Design, Logic --- Design of logic systems --- Digital electronics --- Electronic circuit design --- Logic circuits --- Machine theory --- Switching theory
ISBN: 3540620656 3540496386 Year: 1996 Volume: 1182 Publisher: Berlin ; New York ; Tokyo Springer
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Parallel execution of SQL queries against large databases offers a solution to the problem of reducing query response. This book addresses the related optimization problem: Given an SQL query, find the plan that delivers the result in minimal time. The author presents and analyzes new theoretical findings and efficient algorithms pertaining to parallel operation at a practical level of granularity relevant to database system operations. The optimization results balance the advantages and costs of parallel execution of SQL queries. The techniques presented are applicable to modern system configurations, where computation is performed on pipelining-capable workstations operating in parallel, and can be used to construct SQL compilers able to exploit parallel machines effectively.
Parallel processing (Electronic computers) --- Parallelle verwerking (Computers) --- SQL (Computer program language) --- SQL (Langage de programmation) --- SQL (Programmeertaal) --- Traitement parallèle (Ordinateurs) --- Database management. --- Information storage and retrieval systems. --- Database Management. --- Information Storage and Retrieval. --- Automatic data storage --- Automatic information retrieval --- Automation in documentation --- Computer-based information systems --- Data processing systems --- Data storage and retrieval systems --- Discovery systems, Information --- Information discovery systems --- Information processing systems --- Information retrieval systems --- Machine data storage and retrieval --- Mechanized information storage and retrieval systems --- Computer systems --- Electronic information resources --- Data libraries --- Digital libraries --- Information organization --- Information retrieval --- Data base management --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Generalized data management systems --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing
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