Sinossi
This book investigates the problem of translating relational queries into iterative programs using methods and techniques from the areas of functional programming and program transformation. The first part presents two algorithms which generate iterative programs from algebra-based query specifications. While the first algorithm is based on the transformation of recursive programs, the second uses functional expressions to generate the final iterative form. In the second part the same techniques generate efficient programs for the evaluation of aggregate functions in relational database systems. In several steps, programs which perform aggregation after sorting, are transformed into programs which perform aggregation while sorting. The third part then investigates the Lisp-dialect T as a possible implementation language for database systems. The book describes all transformations by transformation rules. The reader can expect a formal treatment of the proposed transformations which provide the basis for proving the correctness of the algorithms and, at the same time, give important insight into the techniques and methods developed for the transformation. Additionally, the high-level, detailed description of the algorithms immediately leads to their implementation and allows their extension to meet new requirements. Overall, the use of transformation rules and transformation methods introduces a new approach to query processing in relational database systems.
Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.
Contenuti
Data models and rewriting systems.- A transformation system based on recursive programs.- Query transformation based on map expressions.- The transformation of aggregate functions.- The implementation of database systems in T.- Conclusion and future work.
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Translating Relational Queries into Iterative Programs
Da: Zubal-Books, Since 1961, Cleveland, OH, U.S.A.
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Condizione: Fine. *Price HAS BEEN REDUCED by 10% until Monday, Dec. 22 (sale item)* First edition, first printing, 131 pp., paperback, fine. Lecture Notes in Computer Science, Volume 261. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country. Codice articolo ZB1307037
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Translating Relational Queries into Iterative Programs (Lecture Notes in Computer Science)
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Translating Relational Queries into Iterative Programs
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Springer-Verlag Berlin and Heidelberg GmbH & Co. K, 1987
ISBN 10: 3540180001
ISBN 13: 9783540180005
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Softcover. Condizione: Très bon. Ancien livre de bibliothèque. Edition 1987. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Very good. Former library book. Edition 1987. Ammareal gives back up to 15% of this item's net price to charity organizations. Codice articolo E-596-202
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Lecture Notes in Computer Science, Volume 261: Translating Relational Queries into Iterative Programs
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Springer-Verlag, Berlin, Germany, 1987
ISBN 10: 3540180001
ISBN 13: 9783540180005
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Translating Relational Queries into Iterative Programs (Lecture Notes in Computer Science, 261)
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Translating Relational Queries into Iterative Programs (Lecture Notes in Computer Science, 261)
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Translating Relational Queries into Iterative Programs
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Translating Relational Queries into Iterative Programs
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Springer Berlin Heidelberg, Springer Jun 1987, 1987
ISBN 10: 3540180001
ISBN 13: 9783540180005
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germania
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book investigates the problem of translating relational queries into iterative programs using methods and techniques from the areas of functional programming and program transformation. The first part presents two algorithms which generate iterative programs from algebra-based query specifications. While the first algorithm is based on the transformation of recursive programs, the second uses functional expressions to generate the final iterative form. In the second part the same techniques generate efficient programs for the evaluation of aggregate functions in relational database systems. In several steps, programs which perform aggregation after sorting, are transformed into programs which perform aggregation while sorting. The third part then investigates the Lisp-dialect T as a possible implementation language for database systems. The book describes all transformations by transformation rules. The reader can expect a formal treatment of the proposed transformations which provide the basis for proving the correctness of the algorithms and, at the same time, give important insight into the techniques and methods developed for the transformation. Additionally, the high-level, detailed description of the algorithms immediately leads to their implementation and allows their extension to meet new requirements. Overall, the use of transformation rules and transformation methods introduces a new approach to query processing in relational database systems. 148 pp. Englisch. Codice articolo 9783540180005
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Translating Relational Queries into Iterative Programs
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Condizione: New. Print on Demand pp. 148 49:B&W 6.14 x 9.21 in or 234 x 156 mm (Royal 8vo) Perfect Bound on White w/Gloss Lam. Codice articolo 5855876
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