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Strukturierte Tabellen: Ein neues Paradigma für Datenbank- und Programmiersprachen [9783824420995]

Paperback
SKU: 9783824420995
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Format Lightweight and affordable. Perfect for student groups and classrooms, and a versatile option for corporate trainings, team reads, or large-scale events.

Price $59.99

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Overview

Der Ausgangspunkt zur Entwicklung der Sprache "otto" für strukturierte Tabellen war SQL. SQL bietet klare Konzepte, aber bei vielen einfachen Problemen überzeugt es nicht mehr. Dazu zählen insbesondere Aggregationsanfragen, Stücklistenprobleme und die Integration von Berechnungen in Anfragen. Viele solcher Probleme können im Rahmen von strukturierten Tabellen wesentlich vorteilhafter formuliert werden. Klaus Benecke entwickelt die erforderlichen neuen Operationen, Algorithmen und Konzepte. Hervorzuheben sind neue, anschauliche Algorithmen zur Sortierung und Restrukturierung von Tabellen sowie zur Verschmelzung von Tabellen und zum Auflösen von Stücklisten. Ein Vergleich von Anfragen mit OQL zeigt, daß auch OQL bei bestimmten einfachen Anfragen noch problematisch ist. Als theoretischen Hintergrund von "otto" gibt der Autor eine algebraische Spezifikation der Kernoperationen an. Ferner untersucht er Datenabhängigkeiten, Schlüssel und Normalformen.

The book, Strukturierte Tabellen: Ein neues Paradigma für Datenbank- und Programmiersprachen [Bulk, Wholesale, Quantity] ISBN#9783824420995 in Paperback by Klaus Benecke may be ordered in bulk quantities. Minimum starts at 25 copies. Availability based on publisher status and quantity being ordered.

Details

Author:
Klaus Benecke
Format:
Paperback
Publication Date:
03/09/1998
ISBN-13:
9783824420995
Pages:
267
Publisher:
Deutscher Universitätsverlag

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