XQUERY

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Xquery

Author : Priscilla Walmsley
ISBN : 1449391184
Genre : Computers
File Size : 88.78 MB
Format : PDF, ePub
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With the XQuery 1.0 standard, you finally have a tool that will make it much easier to search, extract and manipulate information from XML content stored in databases. This in-depth tutorial not only walks you through the XQuery specification, but also teaches you how to program with this widely anticipated query language. XQuery is for query writers who have some knowledge of XML basics, but not necessarily advanced knowledge of XML-related technologies. It can be used both as a tutorial, by reading cover to cover, and as a reference, by using the comprehensive index and appendixes. Either way, you will find the background knowledge in namespaces, schemas, built-in types and regular expressions that is relevant to writing XML queries. This book provides: A high-level overview and quick tour of XQuery Information to write sophisticated queries, without being bogged down by the details of types, namespaces, and schemas Advanced concepts for users who want to take advantage of modularity, namespaces, typing and schemas Guidelines for working with specific types of data, such as numbers, strings, dates, URIs and processing instructions A complete alphabetical reference to the built-in functions and types You will also learn about XQuery's support for filtering, sorting, and grouping data, as well as how to use FLWOR expressions, XPath, and XQuery tools for extracting and combining information. With this book, you will discover how to apply all of these tools to a wide variety of data sources, and how to recombine information from multiple sources into a single final output result. Whether you're coming from SQL, XSLT, or starting from scratch, this carefully paced tutorial takes you through the final 1.0 standard in detail.
Category: Computers

Xquery

Author : Michael Brundage
ISBN : 0321165810
Genre : Computers
File Size : 79.83 MB
Format : PDF, ePub, Mobi
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“An excellent, early look at the emerging XML Query standard. The chapters on surprises and gotchas alone are worth the price of admission!” —Ashok Malhotra, Architect, Microsoft “XQuery is the most important XML standard to emerge in recent years, and is a language with which anyone using XML on a regular basis should become acquainted. Michael Brundage's accessible introduction to XQuery provides enough information on all aspects of the standard, including its dark corners, to allow any XML developer to jump right in and start coding.” —Damien Fisher, Kernel Team Member, Soda Technologies Pty Ltd “This book does an excellent job of distilling the essentials of XQuery in an understandable, straightforward and easily digestable manner. This book has already become an indispensible part of my library and is a welcome addition to my XML repertoire.” —Dare Obasanjo, Program Manager, Microsoft Corporation “Simply put, the emerging XQuery standard adds enormous value to XML data and this book is your key to unlocking that value. Here in one stop you will find an accessible introduction to XQuery and a complete reference. Practitioners will particularly value the sections on XQuery idioms and surprises where Michael shares his tricks of the trade.” —Dave Van Buren, Project Manager, Jet Propulsion Laboratory “It’s both a stupendous reference on XQuery and a good read. Michael writes with verve, authority, and an eminently readable style. What a rare delight to discover all this, and in a technical book too! When the sequel comes along, sign me up.” —Howard Katz, Owner, Fatdog Software Inc., Editor, XQuery from the Experts (Addison-Wesley, 2003) From corporate IT departments to academic institutions, XML has become the language of choice for storing and transmitting data across diverse application domains. XQuery, an XML Query Language invented by the World Wide Web Consortium, offers a powerful, standardized way to query all of that XML-encapsulated information. With its ability to integrate XML and non-XML data, XQuery seems poised to do for XML what SQL has done for relational data. Written by the Technical Lead for XML query processing at Microsoft, XQuery: The XML Query Language is an invaluable resource for XQuery novices and experts alike. For those new to XQuery, this example-rich text serves as a tutorial that brings readers quickly up to speed on XQuery's data model, type system, and core language features. More experienced XML and database developers will find an excellent reference on the nuances of various expressions, as well as a guide to using XQuery to accomplish specific tasks. Drawing on his experiences using XQuery, Michael Brundage offers an objective, inside look at this emerging technology. His unique perspective translates into an accessible and authoritative guide for readers using XML for documents, Web services, or databases. Key coverage includes: Data model and type system Path navigation Iteration, construction, arithmetic, text processing, type operators and user-defined functions Information beyond the standard—such as a look at update languages, performance benchmarks, query optimization, XQuery style, and much, much more Hundreds of examples The future of XQuery The appendixes provide in-depth information on XQuery's type system, core expressions, built-in functions, regular expressions, and grammar. Meanwhile, the companion Web site offers downloadable source code for all of the examples in the book, the latest on the XQuery standard, answers to readers' questions, XQuery tips and strategies, and more. XQuery will show developers, programmers, and database administrators how a single line of this deep and powerful new language can accomplish the equivalent of hundreds of lines written in C, C#, Java, and other general-purpose programming languages.
Category: Computers

Xquery Kick Start

Author : James McGovern
ISBN : 0672324792
Genre : Computers
File Size : 66.97 MB
Format : PDF, ePub
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"XQuery Kick Start" delivers a concise introduction to the XQuery standard, and useful implementation advice for developers needing to put it into practice. The book starts by explaining the role of XQuery in the XML family of specifications, and its relationship with XPath. The authors then explain the specification in detail, describing the semantics and data model, before moving to examples using XQuery to manipulate XML databases and document storage systems. Later chapters discuss Java implementations of XQuery and development tools that facilitate the development of Web sites with XQuery. This book is up to date with the latest XQuery specifications, and includes coverage of new features for extending the XQuery language.
Category: Computers

Xquery From The Experts

Author : Howard Katz
ISBN : 0321180607
Genre : Computers
File Size : 27.82 MB
Format : PDF, ePub, Mobi
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bull; Nobody knows XQuery better than this group of "experts, " after all they created it. We've cornered the market on expertise in XQuery. bull; Allows readers to focus on either or both a tutorial or reference-style approach as best suits them. bull; Currently, there are no other competing XQuery books. Authors' personal perspectives offer a welcome change to formal standards specs.
Category: Computers

Querying Xml

Author : Jim Melton
ISBN : 0080540163
Genre : Computers
File Size : 42.31 MB
Format : PDF, ePub
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XML has become the lingua franca for representing business data, for exchanging information between business partners and applications, and for adding structure– and sometimes meaning—to text-based documents. XML offers some special challenges and opportunities in the area of search: querying XML can produce very precise, fine-grained results, if you know how to express and execute those queries. For software developers and systems architects: this book teaches the most useful approaches to querying XML documents and repositories. This book will also help managers and project leaders grasp how “querying XML fits into the larger context of querying and XML. Querying XML provides a comprehensive background from fundamental concepts (What is XML?) to data models (the Infoset, PSVI, XQuery Data Model), to APIs (querying XML from SQL or Java) and more. * Presents the concepts clearly, and demonstrates them with illustrations and examples; offers a thorough mastery of the subject area in a single book. * Provides comprehensive coverage of XML query languages, and the concepts needed to understand them completely (such as the XQuery Data Model). * Shows how to query XML documents and data using: XPath (the XML Path Language); XQuery, soon to be the new W3C Recommendation for querying XML; XQuery's companion XQueryX; and SQL, featuring the SQL/XML * Includes an extensive set of XQuery, XPath, SQL, Java, and other examples, with links to downloadable code and data samples.
Category: Computers

Parallel And Distributed Processing And Applications

Author : Ivan Stojmenovic
ISBN : 3540747419
Genre : Computers
File Size : 22.84 MB
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This book constitutes the refereed proceedings of the 5th International Symposium on Parallel and Distributed Processing and Applications, ISPA 2007, held in Niagara Falls, Canada, in August 2007. The 83 revised full papers presented together with 3 keynote speeches were carefully reviewed and selected from 244 submissions. The papers are organized in topical sections on algorithms and applications, architectures and systems, datamining and databases, fault tolerance and security, middleware and cooperative computing, networks, as well as software and languages.
Category: Computers

Current Trends In Database Technology Edbt 2006

Author : Torsten Grust
ISBN : 9783540467885
Genre : Computers
File Size : 81.91 MB
Format : PDF, ePub, Docs
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You arestudying the joint proceedingsof the scienti'c workshopsthat wereheld th just before and after the 10 International Conference on Extending Database Technology (EDBT 2006)in the historicMunich Kunstler ̈ haus,Germany,in late March 2006. The workshops contributing to this volume are: th -The4 EDBT Ph. D. Workshop - DataX 2006 (DB Technologies for Handling XML Information on the Web) -IIDB (Inconsistency and Incompleteness in Databases) -IIHA (Information Integration in Healthcare Applications) - ICSNW 2006(Semantics of a Networked World) - QLQP 2006 (Query Languages and Query Processing) - PIM 2006 (Pervasive Information Management) - PaRMa 2006 (Pattern Representation and Management) - Reactivity on the Web If we let the raw numbers speak, then, compared with EDBT 2004, the number of collocated workshops almost doubled (from ?ve in 2004 to nine in 2006). The nine events attractedcirca 170 attendees from all over the globe. Approximately onethirdoftheparticipantsexclusivelyregisteredforworkshops. Thesenumbers indicate that the satellite workshop idea continues to play a signi'cant role and that the orbited core conference clearly bene'ts as well. As the EDBT 2006 Workshop Chair, I enjoyed the privilege of being able to sneak into almost all workshops, and throughout I found the direct, to-the-point, and thus e'ective style of presentation and discourse that you may hope for when "birds of a feather" ?ock together. In this post-workshopproceedings volume you will ?nd a selection of 70 c- tributions, grouped by workshop, whose authors were asked to prepare revised and enhanced versions of their original workshop submissions.
Category: Computers

Exist

Author : Erik Siegel
ISBN : 9781449337087
Genre : Computers
File Size : 48.98 MB
Format : PDF, ePub, Docs
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Get a head start with eXist, the open source NoSQL database and application development platform built entirely around XML technologies. With this hands-on guide, you’ll learn eXist from the ground up, from using this feature-rich database to work with millions of documents to building complex web applications that take advantage of eXist’s many extensions. If you’re familiar with XML—as a student, professor, publisher, or developer—you’ll find that eXist is ideal for all kinds of documents. This book shows you how to store, query, and search documents with XQuery and other XML technologies, and how to construct applications on top of the database with tools such as eXide and eXist’s built-in development environment. Manage both data-oriented and text-oriented markup documents securely Build a sample application that analyzes and searches Shakespeare’s plays Go inside the architecture and learn how eXist processes documents Learn how to work with eXist’s internal development environment Choose among various indexes, including a full-text index based on Apache Lucene Dive into eXist’s APIs for integrating or interacting with the database Extend eXist by building your own Triggers, Scheduled Tasks, and XQuery extension modules
Category: Computers

Database And Xml Technologies

Author : International XML Database Symposium
ISBN : 9783540229698
Genre : Business & Economics
File Size : 32.30 MB
Format : PDF, Kindle
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This book constitutes the refereed proceedings of the Second International XML Database Symposium, XSym 2004, held in Toronto, Canada in August 2004 in association with VLDB 2004. The 15 revised full papers presented were carefully reviewed and selected from around 60 submissions. The papers are organized in topical sections on Xquery processing, searching, ranking, and mapping XML documents; XML constraints checking and correcting; XML processing; and clustering, indexing, and statistics.
Category: Business & Economics