Query Processing In Database Systems

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Query Processing In Database Systems

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Author : W. Kim
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Query Processing In Database Systems written by W. Kim and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.

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.

Principles Of Database Query Processing For Advanced Applications

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Author : Clement T. Yu
language : en
Publisher: Morgan Kaufmann
Release Date : 1998

Principles Of Database Query Processing For Advanced Applications written by Clement T. Yu and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Computers categories.

A thorough presentation of query processing techniques in a broad range of database systems for advanced applications. Provides the most effective query processing techniques and ways to optimize the information retrieval process. Intended for database systems designers creating advanced applications.

Adaptive Query Processing

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Author : Amol Deshpande
language : en
Publisher: Now Publishers Inc
Release Date : 2007

Adaptive Query Processing written by Amol Deshpande and has been published by Now Publishers Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Computers categories.

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.

Query Processing In Parallel Relational Database Systems

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Author : Hongjun Lu
language : en
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
Release Date : 1994

Query Processing In Parallel Relational Database Systems written by Hongjun Lu and has been published by Institute of Electrical & Electronics Engineers(IEEE) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.

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,

Efficient Query Processing In Geographic Information Systems

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Author : Beng Chin Ooi
language : en
Publisher: Springer Science & Business Media
Release Date : 1990-11-28

Efficient Query Processing In Geographic Information Systems written by Beng Chin Ooi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-11-28 with Computers categories.

Very Good,No Highlights or Markup,all pages are intact.

Query Processing For Advanced Database Systems

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Author : Johann Christoph Freytag
language : en
Publisher: Morgan Kaufmann
Release Date : 1994

Query Processing For Advanced Database Systems written by Johann Christoph Freytag and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Computers categories.

The chapters of this book provide an excellent snapshot of current research and development activities in the area of query processing and optimization. They supply potential answers to many questions that have been raised for new types of database systems and at the same time reflect the variety of the different approaches taken. The book acts both as a reference for the state of the art in query processing for the "next generation" of database systems, and as a good starting point for anybody interested in understanding the challenging questions in the area. Furthermore, the book will help the reader to gain an in-depth understanding of why efficient query processing is needed for future database systems.

Query Processing In Spatial Database Systems

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Author : Sivakumar Ravada
language : en
Publisher:
Release Date : 1997

Query Processing In Spatial Database Systems written by Sivakumar Ravada and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Efficient Adaptive Query Processing On Large Database Systems Available In The Cloud Environment

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Author : Clayton Maciel Costa
language : en
Publisher: Simplíssimo
Release Date : 2020-09-15

Efficient Adaptive Query Processing On Large Database Systems Available In The Cloud Environment written by Clayton Maciel Costa and has been published by Simplíssimo this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-15 with Computers categories.

Nowadays, many companies are migrating their applications and data to cloud service providers, mainly because of their ability to answer quickly to business requirements. Thereby, the performance is an important requirement for most customers when they wish to migrate their applications to the cloud. Therefore, in cloud environments, resources should be acquired and released automatically and quickly at runtime. Moreover, the users and service providers expect to get answers in time to ensure the service SLA (Service Level Agreement). Consequently, ensuring the QoS (Quality of Service) is a great challenge and it increases when we have large amounts of data to be manipulated in this environment. To resolve this kind of problems, several researches have been focused on shorter execution time using adaptive query processing and/or prediction of resources based on current system status. However, they present important limitations. For example, most of these works does not use monitoring during query execution and/or presents intrusive solutions, i.e. applied to the particular context. The aim of this book is to present the development of new solutions/strategies to efficient adaptive query processing on large databases available in a cloud environment. It must integrate adaptive re-optimization at query runtime and their costs are based on the SRT (Service Response Time – SLA QoS performance parameter). Finally, the proposed solution will be evaluated on large scale with large volume of data, machines and queries in a cloud computing infrastructure. Finally, this work also proposes a new model to estimate the SRT for different request types (database access requests). This model will allow the cloud service provider and its customers to establish an appropriate SLA relative to the expected performance of the services available in the cloud.

Multiple Query Processing In Database Systems

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Author : Jayesh Shantilal Thakrar
language : en
Publisher:
Release Date : 1994

Multiple Query Processing In Database Systems written by Jayesh Shantilal Thakrar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Academic theses categories.

Rdf Database Systems

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Author : Olivier Curé
language : en
Publisher: Morgan Kaufmann
Release Date : 2014-11-24

Rdf Database Systems written by Olivier Curé and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Computers categories.

RDF Database Systems is a cutting-edge guide that distills everything you need to know to effectively use or design an RDF database. This book starts with the basics of linked open data and covers the most recent research, practice, and technologies to help you leverage semantic technology. With an approach that combines technical detail with theoretical background, this book shows how to design and develop semantic web applications, data models, indexing and query processing solutions. - Understand the Semantic Web, RDF, RDFS, SPARQL, and OWL within the context of relational database management and NoSQL systems - Learn about the prevailing RDF triples solutions for both relational and non-relational databases, including column family, document, graph, and NoSQL - Implement systems using RDF data with helpful guidelines and various storage solutions for RDF - Process SPARQL queries with detailed explanations of query optimization, query plans, caching, and more - Evaluate which approaches and systems to use when developing Semantic Web applications with a helpful description of commercial and open-source systems