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Networks of workstations (NOWs) are cost-effective alternatives to multiprocessor systems. Recently, NOWs have been proposed for parallel query processing. This paper explores the various architectures for using NOWs for parallel query processing. We start our discussion with two basic architectures: centralized and distributed. We identify the advantages and disadvantages associated with these architectures. We then propose a hierarchical architecture that inherits the merits of the centralized and distributed architectures while minimizing the associated pitfalls. We also discuss the performance and research issues that require attention in all three architectures. 1 Introduction A relational database is basically a set of relations and each relation is a set of homogeneous tuples. Relations are created, updated and queried using a database language such as SQL. Querying a database is the most important part of any database management system (DBMS). A query comprises of user condit...

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Sivarama Dandamudi And -  Sivarama P. D -  Gautam Jain - 

Id.: 46542313

Idioma: inglés  - 

Versión: 1.0

Estado: Final

Tipo:  application/postscript - 

Tipo de recurso: Texto Narrativo  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: Metadata may be used without restrictions as long as the oai identifier remains attached to it.

Formatos:  application/postscript - 

Requerimientos técnicos:  Browser: Any - 

Relación: [IsBasedOn] http://www.scs.carleton.ca/publications/tech_reports/1997/TR-97-13.ps

Fecha de contribución: 29-jul-2009



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