Fundamentals Of Database Indexing And Searching

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Fundamentals Of Database Indexing And Searching

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Author : Arnab Bhattacharya
language : en
Publisher: CRC Press
Release Date : 2014-12-02

Fundamentals Of Database Indexing And Searching written by Arnab Bhattacharya and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-02 with Business & Economics categories.

Fundamentals of Database Indexing and Searching presents well-known database searching and indexing techniques. It focuses on similarity search queries, showing how to use distance functions to measure the notion of dissimilarity. After defining database queries and similarity search queries, the book organizes the most common and representative index structures according to their characteristics. The author first describes low-dimensional index structures, memory-based index structures, and hierarchical disk-based index structures. He then outlines useful distance measures and index structures that use the distance information to efficiently solve similarity search queries. Focusing on the difficult dimensionality phenomenon, he also presents several indexing methods that specifically deal with high-dimensional spaces. In addition, the book covers data reduction techniques, including embedding, various data transforms, and histograms. Through numerous real-world examples, this book explores how to effectively index and search for information in large collections of data. Requiring only a basic computer science background, it is accessible to practitioners and advanced undergraduate students.

Advanced Database Indexing

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Author : Yannis Manolopoulos
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-09-07

Advanced Database Indexing written by Yannis Manolopoulos 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 2012-09-07 with Computers categories.

Advanced Database Indexing begins by introducing basic material on storage media, including magnetic disks, RAID systems and tertiary storage such as optical disk and tapes. Typical access methods (e.g. B+ trees, dynamic hash files and secondary key retrieval) are also introduced. The remainder of the book discusses recent advances in indexing and access methods for particular database applications. More specifically, issues such as external sorting, file structures for intervals, temporal access methods, spatial and spatio-temporal indexing, image and multimedia indexing, perfect external hashing methods, parallel access methods, concurrency issues in indexing and parallel external sorting are presented for the first time in a single book. Advanced Database Indexing is an excellent reference for database professionals and may be used as a text for advanced courses on the topic.

Operators For Similarity Search

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Author : Deepak P
language : en
Publisher: Springer
Release Date : 2015-07-07

Operators For Similarity Search written by Deepak P and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-07 with Computers categories.

This book provides a comprehensive tutorial on similarity operators. The authors systematically survey the set of similarity operators, primarily focusing on their semantics, while also touching upon mechanisms for processing them effectively. The book starts off by providing introductory material on similarity search systems, highlighting the central role of similarity operators in such systems. This is followed by a systematic categorized overview of the variety of similarity operators that have been proposed in literature over the last two decades, including advanced operators such as RkNN, Reverse k-Ranks, Skyline k-Groups and K-N-Match. Since indexing is a core technology in the practical implementation of similarity operators, various indexing mechanisms are summarized. Finally, current research challenges are outlined, so as to enable interested readers to identify potential directions for future investigations. In summary, this book offers a comprehensive overview of the field of similarity search operators, allowing readers to understand the area of similarity operators as it stands today, and in addition providing them with the background needed to understand recent novel approaches.

Expert Performance Indexing In Sql Server

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Author : Jason Strate
language : en
Publisher: Apress
Release Date : 2015-11-11

Expert Performance Indexing In Sql Server written by Jason Strate and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-11 with Computers categories.

This book is a deep dive into perhaps the single-most important facet of good performance: indexes, and how to best use them. The book begins in the shallow waters with explanations of the types of indexes and how they are stored in databases. Moving deeper into the topic, and further into the book, you will look at the statistics that are accumulated both by indexes and on indexes. You’ll better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. The final destination is a guided tour through a number of real life scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database. Defines the types of indexes and their implementation options Provides use cases and common patterns in applying indexing Describes and explain the index metadata and statistics Provides a framework of strategies and approaches for indexing databases

Advanced Database Indexing

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Author : Yannis Manolopoulos
language : en
Publisher:
Release Date : 2011-04-01

Advanced Database Indexing written by Yannis Manolopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-01 with categories.

Indexing Techniques For Advanced Database Systems

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Author : Elisa Bertino
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Indexing Techniques For Advanced Database Systems written by Elisa Bertino 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.

Recent years have seen an explosive growth in the use of new database applications such as CAD/CAM systems, spatial information systems, and multimedia information systems. The needs of these applications are far more complex than traditional business applications. They call for support of objects with complex data types, such as images and spatial objects, and for support of objects with wildly varying numbers of index terms, such as documents. Traditional indexing techniques such as the B-tree and its variants do not efficiently support these applications, and so new indexing mechanisms have been developed. As a result of the demand for database support for new applications, there has been a proliferation of new indexing techniques. The need for a book addressing indexing problems in advanced applications is evident. For practitioners and database and application developers, this book explains best practice, guiding the selection of appropriate indexes for each application. For researchers, this book provides a foundation for the development of new and more robust indexes. For newcomers, this book is an overview of the wide range of advanced indexing techniques. Indexing Techniques for Advanced Database Systems is suitable as a secondary text for a graduate level course on indexing techniques, and as a reference for researchers and practitioners in industry.

Fundamentals Of Quantum Data Structures

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Author : N.B. Singh
language : en
Publisher: N.B. Singh
Release Date : 426-01-01

Fundamentals Of Quantum Data Structures written by N.B. Singh and has been published by N.B. Singh this book supported file pdf, txt, epub, kindle and other format this book has been release on 426-01-01 with Computers categories.

"Fundamentals of Quantum Data Structures" is a comprehensive guide that introduces the core concepts and principles underlying the marriage of quantum computing and data structures. Tailored for students, researchers, and professionals in the field of quantum computing, this book navigates through the essential foundations of quantum information processing, offering insights into quantum bits (qubits), quantum gates, and quantum algorithms. With clear explanations and practical examples, the book serves as an invaluable resource for those looking to grasp the fundamentals of organizing and manipulating data in the unique context of quantum computing.

Relational Database Index Design And The Optimizers

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Author : Tapio Lahdenmaki
language : en
Publisher: Wiley-Interscience
Release Date : 2005-09-15

Relational Database Index Design And The Optimizers written by Tapio Lahdenmaki and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-15 with Computers categories.

Improve the performance of relational databases with indexes designed for today's hardware Over the last few years, hardware and software have advanced beyond all recognition, so it's hardly surprising that relational database performance now receives much less attention. Unfortunately, the reality is that the improved hardware hasn't kept pace with the ever-increasing quantity of data processed today. Although disk packing densities have increased enormously, making storage costs extremely low and sequential read very fast, random reads are still painfully slow. Many of the old design recommendations are therefore no longer valid-the optimal point of indexing has come a long way. Consequently many of the old problems haven't actually gone away-they have simply changed their appearance. This book provides an easy but effective approach to the design of indexes and tables. Using lots of examples and case studies, the authors describe how the DB2, Oracle, and SQL Server optimizers determine how to access data, and how CPU and response times for the resulting access paths can be quickly estimated. This enables comparisons to be made of the various designs, and helps you choose available choices for the most appropriate design. This book is intended for anyone who wants to understand the issues of SQL performance or how to design tables and indexes effectively. With this title, readers with many years of experience of relational systems will be able to better grasp the implications that have been brought into play by the introduction of new hardware. An Instructor's Manual presenting detailed solutions to all the problems in the book is available online from the Wiley editorial department. An Instructor Support FTP site is also available.

Foundations Of Nursing Practice

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Author : Dalena Van Rooyen
language : en
Publisher: Elsevier Health Sciences
Release Date : 2013-01-08

Foundations Of Nursing Practice written by Dalena Van Rooyen and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-08 with Medical categories.

This second edition of Foundations of Nursing Practice has been revised and updated specifically to meet the needs of nursing students in all fields of practice The book explains how and why sensitive, safe, evidence-based holistic nursing care is carried out, including topics common to all fields of practice. Core nursing skills are emphasised to reflect the importance of clinical skills as well as the underpinning theory. Aids to learning in each chapter: Learning outcomes Interactive boxes for all age groups and fields of nursing practice Key words and phrases for literature searching Useful websites, references and further reading. This book provides a comprehensive introduction to nursing that will meet the needs of students, nurses returning to practice, mentors and other registered nurses. Relevant to all branches of nursing settings: infants, children, adults, pregnant women, older people and people with a learning disability or mental health problems Themes relevant to all stages and fields of nursing practice include safety, infection prevention and control, managing stress, communication, managing wounds and pressure ulcers, and dealing with loss Scenarios develop the skills of evidence-based practice, critical thinking, reflection and health promotion, and encourage further learning The areas of psychology, sociology, physiology and pathology are clearly related to nursing practice Key principles of health promotion, the law and ethics, the human lifespan and development are explained in earlier chapters, then applied in later chapters Cultural diversity information helps with understanding the needs of people from different backgrounds Person-centred approach encourages problem solving and application to practice Evidence-based practice is explicit throughout, and best-practice guidelines underpin exploration/explanation of nursing care. Easy-reference Glossary at the back of the book. Meets the requirements of the new pre-registration nursing curriculum including the NMC (2010) competencies and Essential Skills Clusters Greater emphasis on safeguarding vulnerable people, maternal health and first aid Self-test questions with answers available on accompanying website.

Introduction To Search With Sphinx

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Author : Andrew Aksyonoff
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2011-04-20

Introduction To Search With Sphinx written by Andrew Aksyonoff and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-20 with Computers categories.

This concise introduction to Sphinx shows you how to use this free software to index an enormous number of documents and provide fast results to both simple and complex searches. Written by the creator of Sphinx, this authoritative book is short and to the point. Understand the particular way Sphinx conducts searches Install and configure Sphinx, and run a few basic tests Issue basic queries to Sphinx at the application level Learn the syntax of search text and the effects of various search options Get strategies for dealing with large data sets, such as multi-index searching Apply relevance and ranking guidelines for presenting best results to the user