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Librería: Wissenschaftl. Antiquariat Th. Haker e.K, Klettgau, Alemania
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Añadir al carritohardcover. Condición: Sehr gut. 122 p. In very good condition. ISBN: 9783540700586 Sprache: Englisch Gewicht in Gramm: 383.
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Añadir al carritoTaschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Complex databases can be understood well with visual representation. A graph is a very intuitive and rational structure to visually represent such databases. Graph Data Model (GDM) proposed by the author formalizes data representation and operations on the data in terms of the graph concept. The GDM is an extension of the relational model toward structural representation. In this model, a database is defined by a schema graph where nodes represent record types and arcs represent link types that are relationships between two record types. The capabilities of the GDM include direct representation of many-to-many relationships and of the relationships within a single record type. The characteristic operators are those associated with links: existential, universal, numerical and transitive link operators. Graph Data Language (GDL) is a data language based on this GDM. The essence of the GDL is path expressions used for formulation of queries. The concepts of GDM and GDL have actually been implemented by Ricoh Co., Ltd. and a system based on these concepts is commercially available for many UNIX machines.
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Añadir al carritoTaschenbuch. Condición: Neu. Graph Data Model | and Its Data Language | Hideko S. Kunii | Taschenbuch | xvi | Englisch | 2011 | Springer | EAN 9784431681168 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Añadir al carritoGebundene Ausgabe. Condición: Gut. 122 Seiten Sofort verfügbar Versand spätestens am nächsten Arbeitstag Rechnung mit ausgewiesener MwSt. liegt bei daily shipping worldwide with invoice ex library in good condition aus Bibliothek in guten Zustand Sprache: Englisch Gewicht in Gramm: 550.
Idioma: Inglés
Publicado por Springer-Verlag Berlin and Heidelberg GmbH & Co. K, 1990
ISBN 10: 3540700587 ISBN 13: 9783540700586
Librería: Mispah books, Redhill, SURRE, Reino Unido
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Añadir al carritoHardcover. Condición: Very Good. Very Good. Dust Jacket may NOT BE INCLUDED.CDs may be missing. SHIPS FROM MULTIPLE LOCATIONS. book.