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Expert Performance Indexing in SQL Server 2019
29,27 € *
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Take a deep dive into perhaps the single most important facet of good performance: indexes, and how to best use them. Recent updates to SQL Server have made it possible to create indexes in situations that in the past would have prevented their use. Other improvements covered in this book include new dynamic management views, the ability to pause and resume index maintenance, and the ability to more easily recover from failures during index creation and maintenance operations. This new edition also brings new content around the indexing of columnstore and in-memory tables, showing how these new types of tables and the queries that execute against them can also benefit from good indexing practices. The book begins 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 will better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. You will get a look at the Index Advisor now available in Azure SQL Database, and learn how to review and maintain the health of your indexes. The final chapters present a guided tour through a number of scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database. What You Will Learn Properly index row store, columnstore, and in-memory tablesReview statistics to understand indexing choices made by the optimizerApply indexing strategies such as covering indexes, included columns, and index intersectionsRecognize and remove unnecessary indexesDesign effective indexes for full-text, spatial, and XML data typesManage the big picture: Encompass all indexes in a database, and all database instances on a server Who This Book Is For Database administrators and developers who are ready to lift the performance of their database environment by thoughtfully building indexes to speed up queries that matter the most and make a difference to the business

Anbieter: buecher
Stand: 25.09.2020
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Expert Performance Indexing in SQL Server 2019
29,27 € *
ggf. zzgl. Versand

Take a deep dive into perhaps the single most important facet of good performance: indexes, and how to best use them. Recent updates to SQL Server have made it possible to create indexes in situations that in the past would have prevented their use. Other improvements covered in this book include new dynamic management views, the ability to pause and resume index maintenance, and the ability to more easily recover from failures during index creation and maintenance operations. This new edition also brings new content around the indexing of columnstore and in-memory tables, showing how these new types of tables and the queries that execute against them can also benefit from good indexing practices. The book begins 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 will better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. You will get a look at the Index Advisor now available in Azure SQL Database, and learn how to review and maintain the health of your indexes. The final chapters present a guided tour through a number of scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database. What You Will Learn Properly index row store, columnstore, and in-memory tablesReview statistics to understand indexing choices made by the optimizerApply indexing strategies such as covering indexes, included columns, and index intersectionsRecognize and remove unnecessary indexesDesign effective indexes for full-text, spatial, and XML data typesManage the big picture: Encompass all indexes in a database, and all database instances on a server Who This Book Is For Database administrators and developers who are ready to lift the performance of their database environment by thoughtfully building indexes to speed up queries that matter the most and make a difference to the business

Anbieter: buecher
Stand: 25.09.2020
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XML Update Language
49,00 € *
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The project is aimed to develop an XML update language built on top of XQuery by adding on update primitives, which complies with the standard XQuery Update Facility 1.0 requirements. The end product does this in a flexible way, using a software archi- tecture which enables developers to choose among different XQuery engines and various XML Processing APIs in order to achieve the overall optimal performance for queries with different characteristics. This thesis starts with an investigation on existing proposals and implementations for XML updates, and describes the approach for the proposed XML update language, followed by an explanation of its implementation. In the end three groups of experiments are undertaken to evaluate the performance of this implementation: software- related, query-related, and tests for other factors. Software-related experiments identify the overall optimal implementation of the software. Query- related analysis studies how the performance varies for queries with different characteristics. Tests for other factors investigate the limitations of the software (i.e. input file size and disk space requirement).

Anbieter: Dodax
Stand: 25.09.2020
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XUpdate mittels XSLT
68,00 € *
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XML ist Bestandteil vieler Anwendungen und eine der wichtigsten Basistechnologien zum Datenaustausch in verteilten Systemen. Auch bei der Datenhaltung gewinnt XML zunehmend an Bedeutung. XUpdate ermöglicht einfache Updates von XML-Dokumenten, jedoch gibt es hiervon kaum brauchbare Implementierungen. Das in diesem Buch vorgestellte XUpdate2XSLT erlaubt die Transformation von XUpdate-Anfragen in äquivalente XSLT-Stylesheets. Diese werden mit einem beliebigen XSLT-Prozessor auf das zu verändernde Dokument angewendet. So kann der Nutzer ausgereifte XSLT-Prozessoren auch für komplexe Updates von XML-Dokumenten verwenden - jedoch ohne umständlich formulierte XSLT-Stylesheets.XUpdate2XSLT ist nicht nur kostenlos, sondern auch schneller, speichereffizienter und vollständiger als alle bis zu seiner Veröffentlichung erschienen XUpdate-Implementierungen.Dieses Buch gibt eine kurze Einführung in XPath, XSLT sowie XUpdate. Anschließend betrachtet es die Funktionsweise, Laufzeit und Speichereffizienz von XUpdate2XSLT anhand zahlreicher Beispielanfragen.

Anbieter: Dodax
Stand: 25.09.2020
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Atom (standard)
39,00 € *
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High Quality Content by WIKIPEDIA articles! The name Atom applies to a pair of related standards. The Atom Syndication Format is an XML language used for web feeds, while the Atom Publishing Protocol is a simple HTTP-based protocol for creating and updating web resources. Web feeds allow software programs to check for updates published on a website. To provide a web feed, a site owner may use specialized software that publishes a list of recent articles or content in a standardized, machine-readable format. The feed can then be downloaded by websites that syndicate content from the feed, or by feed reader programs that allow Internet users to subscribe to feeds and view their content. A feed contains entries, which may be headlines, full-text articles, excerpts, summaries, and/or links to content on a website, along with various metadata.

Anbieter: Dodax
Stand: 25.09.2020
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Efficient XML Updates
42,00 € *
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With the rapidly evolving XML technology and thereby ever-increasing number of XML documents, the importance of providing efficient tools for managing these enormous amounts of data is rising every day. Native XML database systems are such tools. Like other XML database systems they need indices in order to provide efficient and fast access to the data. These indices represent redundant data structures in the database and therefore have to be kept consistent, whenever the underlying base data is manipulated. Updating fragments of an XML document with automated, transparent, and efficient index maintenance is the central theme of this book. Author Harald Burger first analyses the two most prominent existing proposals for XML updates, namely the W3C's proposed extension of XQuery with operations for data manipulation and XUpdate. He then introduces an efficient and simple way to keep the indices in an XML DBMS consistent: the Simple Update API for the native XML database management system Infonyte DB

Anbieter: Dodax
Stand: 25.09.2020
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Beginning Ruby
48,14 € *
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Learn the principles behind object-oriented programming and within a few chapters create a fully functional Ruby application. You'll also gain a basic understanding of many ancillary technologies such as databases, XML, web frameworks, and networking - some of which are needed as part of a fully functioning Ruby application.Based on the bestselling first and second editions, Beginning Ruby, Third Edition is a leading guide to learn Ruby from the ground up. The new edition of this book provides the same excellent introduction to Ruby as the previous editions plus updates for the newest version of Ruby 2.3. This book can also be used as a textbook or companion to a textbook on beginning Ruby programming.The light and agile Ruby programming language remains a very popular open source scripting option for developers building today's web and even some enterprise applications. And, now, Ruby also has applications using the Raspberry Pi, popular among hobbyists and makers. Many former Java developers still use Ruby on Rails today, the most popular framework for building Ruby applications.What You'll LearnDiscover the fundamentals of Ruby and its object-oriented building blocksUse the Ruby libraries, gems, and documentationWork with files and databasesWrite and deploy Ruby applicationsHarness the various Ruby web frameworks and how to use themDo network programming with Ruby Who This Book Is For Beginning programmers, programmers new to Ruby, and web developers interested in learning and knowing the foundations of the Ruby programming language.

Anbieter: Dodax
Stand: 25.09.2020
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Expert Performance Indexing in SQL Server 2019
36,22 € *
ggf. zzgl. Versand

Take a deep dive into perhaps the single most important facet of good performance: indexes, and how to best use them. Recent updates to SQL Server have made it possible to create indexes in situations that in the past would have prevented their use. Other improvements covered in this book include new dynamic management views, the ability to pause and resume index maintenance, and the ability to more easily recover from failures during index creation and maintenance operations. This new edition also brings new content around the indexing of columnstore and in-memory tables, showing how these new types of tables and the queries that execute against them can also benefit from good indexing practices. The book begins 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 will better understand what indexes are doing in the database and what can be done to mitigate and improve their effect on performance. You will get a look at the Index Advisor now available in Azure SQL Database, and learn how to review and maintain the health of your indexes. The final chapters present a guided tour through a number of scenarios showing approaches you can take to investigate, mitigate, and improve the performance of your database. What You Will Learn Properly index row store, columnstore, and in-memory tablesReview statistics to understand indexing choices made by the optimizerApply indexing strategies such as covering indexes, included columns, and index intersectionsRecognize and remove unnecessary indexesDesign effective indexes for full-text, spatial, and XML data typesManage the big picture: Encompass all indexes in a database, and all database instances on a server Who This Book Is For Database administrators and developers who are ready to lift the performance of their database environment by thoughtfully building indexes to speed up queries that matter the most and make a difference to the business

Anbieter: Dodax
Stand: 25.09.2020
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XML in a Nutshell
48,90 CHF *
ggf. zzgl. Versand

If you're a developer working with XML, you know there's a lot to know about XML, and the XML space is evolving almost moment by moment. But you don't need to commit every XML syntax, API, or XSLT transformation to memory; you only need to know where to find it. And if it's a detail that has to do with XML or its companion standards, you'll find it--clear, concise, useful, and well-organized--in the updated third edition of XML in a Nutshell. With XML in a Nutshell beside your keyboard, you'll be able to: * Quick-reference syntax rules and usage examples for the core XML technologies, including XML, DTDs, Xpath, XSLT, SAX, and DOM * Develop an understanding of well-formed XML, DTDs, namespaces, Unicode, and W3C XML Schema * Gain a working knowledge of key technologies used for narrative XML documents such as web pages, books, and articles technologies like XSLT, Xpath, Xlink, Xpointer, CSS, and XSL-FO * Build data-intensive XML applications * Understand the tools and APIs necessary to build data-intensive XML applications and process XML documents, including the event-based Simple API for XML (SAX2) and the tree-oriented Document Object Model (DOM) This powerful new edition is the comprehensive XML reference. Serious users of XML will find coverage on just about everything they need, from fundamental syntax rules, to details of DTD and XML Schema creation, to XSLT transformations, to APIs used for processing XML documents. XML in a Nutshell also covers XML 1.1, as well as updates to SAX2 and DOM Level 3 coverage. If you need explanation of how a technology works, or just need to quickly find the precise syntax for a particular piece, XML in a Nutshell puts the information at your fingertips. Simply put, XML in a Nutshell is the critical, must-have reference for any XML developer.

Anbieter: Orell Fuessli CH
Stand: 25.09.2020
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