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Author : Srinivasan Sundararajan
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (13 download)
Download or read book Relational query processing in a multiprocessor database machine written by Srinivasan Sundararajan and published by . This book was released on 1985 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hongjun Lu
Publisher : Institute of Electrical & Electronics Engineers(IEEE)
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.F/5 ( download)
Download or read book Query Processing in Parallel Relational Database Systems written by Hongjun Lu and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1994 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides readers with a background knowledge of parallel database query processing and optimization and covers recent developments in the field. Subjects include design approaches, architecture of parallel database systems, parallel sorting, parallel processing of join, data skew and load balancing,
Author : Donovan A. Schneider
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (89 download)
Download or read book Complex Query Processing in Multiprocessor Database Machines written by Donovan A. Schneider and published by . This book was released on 1990 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "High performance multiprocessor database machines have been made feasible with the advent of cheap, powerful microprocessors and large main memories. However, exploiting these platforms to support high speed complex query processing has lagged behind the hardware technology. The thrust of this dissertation has concentrated on developing strategies for efficiently processing join queries consisting of on the order of 10 joins in a parallel database machine with hundreds of processors. Although the algorithms were developed with a shared-nothing architecture in mind, the algorithms can be applied to shared-memory systems with little modification
Author : Michael Jaedicke
Publisher : Springer
ISBN 13 : 3540455078
Total Pages : 163 pages
Book Rating : 4.5/5 (44 download)
Download or read book New Concepts for Parallel Object-Relational Query Processing written by Michael Jaedicke and published by Springer. This book was released on 2003-06-30 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last few years, parallel object-relational database management systems have emerged as the leading data management technology on the market. These systems are extensible by user-defined data types and user-defined functionality for the data. This work focuses on the efficient parallel execution of user-defined functionality. The main contributions describe techniques to support data parallelism for user-defined scalar and aggregate functions and intra-function parallelism for the execution of a scalar function on a large object, and a new technology to provide extensibility with regard to new set-oriented database operations that can efficiently implement user-defined functionality in parallel object-relational database management systems.
Author : W. Kim
Publisher : Springer Science & Business Media
ISBN 13 : 3642823750
Total Pages : 367 pages
Book Rating : 4.6/5 (428 download)
Download or read book Query Processing in Database Systems written by W. Kim and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an anthology of the results of research and development in database query processing during the past decade. The relational model of data provided tremendous impetus for research into query processing. Since a relational query does not specify access paths to the stored data, the database management system (DBMS) must provide an intelligent query-processing subsystem which will evaluate a number of potentially efficient strategies for processing the query and select the one that optimizes a given performance measure. The degree of sophistication of this subsystem, often called the optimizer, critically affects the performance of the DBMS. Research into query processing thus started has taken off in several directions during the past decade. The emergence of research into distributed databases has enormously complicated the tasks of the optimizer. In a distributed environment, the database may be partitioned into horizontal or vertical fragments of relations. Replicas of the fragments may be stored in different sites of a network and even migrate to other sites. The measure of performance of a query in a distributed system must include the communication cost between sites. To minimize communication costs for-queries involving multiple relations across multiple sites, optimizers may also have to consider semi-join techniques.
Author : A. K. Sood
Publisher : Springer Science & Business Media
ISBN 13 : 3642829376
Total Pages : 568 pages
Book Rating : 4.6/5 (428 download)
Download or read book Database Machines written by A. K. Sood and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume consists of a collection of 28 papers presented at the NATO Advanced Study Institute held July 14-27, 1985 in the beautiful resort at Les Arcs, France. The director of this ASI was A. K. Sood and A. H. Qureshi was the co-director. Since its introduction in the early 1970s the relational data model has been widely accepted. Several research and industrial efforts are being undertaken to develop special purpose database machines to implement the relational model. In addition, database machines are being explored for applications such as image processing and information retrieval. In this NATO-ASI the lecturers discussed special purpose database machine architectures from the viewpoint of architecture and hardware detail, software, user needs, theoretical framework and applications. The papers presented were of two types - regular papers and short papers. The research in database machines is being conducted in several countries. This fact is under scored when it is noted that papers in this volume are authored by researchers in France, Germany, Italy, Japan, Portugal, Turkey, U.K. and U.S.A. The first paper discusses the experience and applications of users with a commercially available database machine. In the following eight papers the characteristics of six database machines are discussed. The second, third and fourth papers deal with the RDBM project at the Technical University of Braunschweig (Germany). Zeidler discusses the design objectives, architecture and system design of RDBM. Teich presents the hardware utilized for sorting.
Author : W. Kim
Publisher : Springer
ISBN 13 : 9783642823770
Total Pages : 0 pages
Book Rating : 4.8/5 (237 download)
Download or read book Query Processing in Database Systems written by W. Kim and published by Springer. This book was released on 2011-12-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an anthology of the results of research and development in database query processing during the past decade. The relational model of data provided tremendous impetus for research into query processing. Since a relational query does not specify access paths to the stored data, the database management system (DBMS) must provide an intelligent query-processing subsystem which will evaluate a number of potentially efficient strategies for processing the query and select the one that optimizes a given performance measure. The degree of sophistication of this subsystem, often called the optimizer, critically affects the performance of the DBMS. Research into query processing thus started has taken off in several directions during the past decade. The emergence of research into distributed databases has enormously complicated the tasks of the optimizer. In a distributed environment, the database may be partitioned into horizontal or vertical fragments of relations. Replicas of the fragments may be stored in different sites of a network and even migrate to other sites. The measure of performance of a query in a distributed system must include the communication cost between sites. To minimize communication costs for-queries involving multiple relations across multiple sites, optimizers may also have to consider semi-join techniques.
Author : Masaru Kitsuregawa
Publisher : Springer Science & Business Media
ISBN 13 : 1461316790
Total Pages : 693 pages
Book Rating : 4.4/5 (613 download)
Download or read book Database Machines and Knowledge Base Machines written by Masaru Kitsuregawa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 693 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the papers presented at the Fifth International Workshop on Database Machines. The papers cover a wide spectrum of topics on Database Machines and Knowledge Base Machines. Reports of major projects, ECRC, MCC, and ICOT are included. Topics on DBM cover new database machine architectures based on vector processing and hypercube parallel processing, VLSI oriented architecture, filter processor, sorting machine, concurrency control mechanism for DBM, main memory database, interconnection network for DBM, and performance evaluation. In this workshop much more attention was given to knowledge base management as compared to the previous four workshops. Many papers discuss deductive database processing. Architectures for semantic network, prolog, and production system were also proposed. We would like to express our deep thanks to all those who contributed to the success of the workshop. We would also like to express our apprecia tion for the valuable suggestions given to us by Prof. D. K. Hsiao, Prof. D.
Author : Haran Boral
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (227 download)
Download or read book Processor Allocation Strategies for Multiprocessor Database Machines written by Haran Boral and published by . This book was released on 1979 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we describe and evaluate four alternative strategies for assigning processors to queries in multiprocessor database machines. Our results demonstrate that SIMD database machines are indeed a poor design when their performance is compared with that of the three MIMD strategies which we present. We also introduce the application of data-flow machine techniques to the processing of relational algebra queries. This strategy is shown to be superior to the other strategies described by several experiments. Furthermore, if the data-flow query processing strategy is employed, our results indicate that a two-level storage hierarchy (in which relations are paged between a shared data cache and mass storage) does not have a significant impact on performance. (Author).
Author : Amol Deshpande
Publisher : Now Publishers Inc
ISBN 13 : 1601980345
Total Pages : 156 pages
Book Rating : 4.6/5 (19 download)
Download or read book Adaptive Query Processing written by Amol Deshpande and published by Now Publishers Inc. This book was released on 2007 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive Query Processing surveys the fundamental issues, techniques, costs, and benefits of adaptive query processing. It begins with a broad overview of the field, identifying the dimensions of adaptive techniques. It then looks at the spectrum of approaches available to adapt query execution at runtime - primarily in a non-streaming context. The emphasis is on simplifying and abstracting the key concepts of each technique, rather than reproducing the full details available in the papers. The authors identify the strengths and limitations of the different techniques, demonstrate when they are most useful, and suggest possible avenues of future research. Adaptive Query Processing serves as a valuable reference for students of databases, providing a thorough survey of the area. Database researchers will benefit from a more complete point of view, including a number of approaches which they may not have focused on within the scope of their own research.
Author : Elisa Bertino
Publisher : Springer Science & Business Media
ISBN 13 : 1461527465
Total Pages : 125 pages
Book Rating : 4.4/5 (615 download)
Download or read book Distributed and Parallel Database Object Management written by Elisa Bertino and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed and Parallel Database Object Management brings together in one place important contributions and state-of-the-art research results in this rapidly advancing area of computer science. Distributed and Parallel Database Object Management serves as an excellent reference, providing insights into some of the most important issues in the field.
Author : David K. Hsiao
Publisher : Prentice Hall
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.3/5 (91 download)
Download or read book Advanced Database Machine Architecture written by David K. Hsiao and published by Prentice Hall. This book was released on 1983 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Verso: a relational backend database machine. Sabre: a relational database system for a multimicroprocessor machine. RDBM: a dedicated multiprocessor system for database management. The architecture of a relational database computer known as DBMAC. An assessment of the query-processing capability of DBMAC. Design considerations for an information query computer. A data-stream database machine with large capacity. Design and analysis of join operations of data base machines. The architecture and operation of a large, full-text information-retrieval system. The implementation of a multibackend database system (MDBS): part I - an exercise in database software engineering. The implementation of a multi-backend database system (MDBS): part II - the design of a prototype MDBS.
Author : Robert Howard Gerber
Publisher :
ISBN 13 :
Total Pages : 628 pages
Book Rating : 4.:/5 (89 download)
Download or read book Dataflow Query Processing Using Multiprocessor Hash-partitioned Algorithms written by Robert Howard Gerber and published by . This book was released on 1986 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Haran Boral
Publisher : Springer Science & Business Media
ISBN 13 : 9783540513247
Total Pages : 404 pages
Book Rating : 4.5/5 (132 download)
Download or read book Database Machines written by Haran Boral and published by Springer Science & Business Media. This book was released on 1989 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains 24 papers presented at the Sixth International Workshop on Database Machines. The papers cover a wide spectrum of topics including: system architectures, storage structures, associative memory architectures, memory resident systems, deduction and retrospectives on maturing projects. The nature of the papers is highly technical and presumes knowledge of database management systems and familiarity with database machines. The book is representative of the dual trend in the field towards (1) search for new functionability and (2) attention to detail, completeness and performance of prototype implementations.
Author : Patrick Valduriez
Publisher : Addison Wesley Publishing Company
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.3/5 (91 download)
Download or read book Analysis and Comparison of Relational Database Systems written by Patrick Valduriez and published by Addison Wesley Publishing Company. This book was released on 1989 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ahmed S. Mohamed
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)
Download or read book A Proposed Architecture for a 'mixed-flow' Database Machine written by Ahmed S. Mohamed and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A considerable improvement in processing relational database queries has been shown to be possible using data-driven processing strategies. Moreover, the few implementation trials of data-flow database machines exhibit potential solutions to some of the problems of conventional control-flow database machines. The intention in this thesis is to follow the data-driven approach in a fashion that avoids the shortcomings of the two extremes: pure control-flow and pure data-flow. A special purpose multi-processor system, the 'mixed-flow' database machine, that lies in between strict control-flow and strict data-flow systems is described. It utilizes a resource pool of specialized functional processors and buffers to embody query trees directly as hardware structures (processor networks), and to execute those queries under a 'mixed-flow' query processing strategy using pipelining and parallel processing. The 'mixed-flow' query processing strategy introduces the notion of regulating data-flow query processing through planning the flow in advance and adaptively re allocating resources in the processor network at discrete time-slices. A transformation to a maximum-flow/minimum-cut problem allows planning input flows to different processors in the network and realizes the optimal degree of network pipelining (i.e. optimal given the estimated selectivity factors of the processors). Furthermore, the adaptive re-allocation of resources provides for secure future network operation (close to the optimal planned flow) in addition to resolving existing network bottlenecks. The 'mixed-flow' strategy is experimentally compared with the pure 'data-flow' strategy and is shown to improve performance with percentages around %25 under normal and heavy loads.
Author : Joseph M. Hellerstein
Publisher : MIT Press
ISBN 13 : 9780262693141
Total Pages : 884 pages
Book Rating : 4.6/5 (931 download)
Download or read book Readings in Database Systems written by Joseph M. Hellerstein and published by MIT Press. This book was released on 2005 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest edition of a popular text and reference on database research, with substantial new material and revision; covers classical literature and recent hot topics. Lessons from database research have been applied in academic fields ranging from bioinformatics to next-generation Internet architecture and in industrial uses including Web-based e-commerce and search engines. The core ideas in the field have become increasingly influential. This text provides both students and professionals with a grounding in database research and a technical context for understanding recent innovations in the field. The readings included treat the most important issues in the database area--the basic material for any DBMS professional. This fourth edition has been substantially updated and revised, with 21 of the 48 papers new to the edition, four of them published for the first time. Many of the sections have been newly organized, and each section includes a new or substantially revised introduction that discusses the context, motivation, and controversies in a particular area, placing it in the broader perspective of database research. Two introductory articles, never before published, provide an organized, current introduction to basic knowledge of the field; one discusses the history of data models and query languages and the other offers an architectural overview of a database system. The remaining articles range from the classical literature on database research to treatments of current hot topics, including a paper on search engine architecture and a paper on application servers, both written expressly for this edition. The result is a collection of papers that are seminal and also accessible to a reader who has a basic familiarity with database systems.
