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XQuery

Author: Priscilla Walmsley
Publisher: Farnham, Calif. : O'Reilly, 2007.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:
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  Read more...
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Genre/Form: Electronic books
Additional Physical Format: Print version:
Walmsley, Priscilla.
XQuery.
Farnham : O'Reilly, 2007
(OCoLC)166622245
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Priscilla Walmsley
ISBN: 0596006349 9780596006341 9780596515287 0596515286 9781449391188 1449391184
OCLC Number: 123904668
Reproduction Notes: Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010. MiAaHDL
Description: 1 online resource
Details: Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
Contents: Table of Contents; Preface; Contents of This Book; Reading the Syntax Diagrams; Conventions Used in This Book; Using Code Examples; Useful Functions; We'd Like to Hear from You; Acknowledgments; Introduction to XQuery; What Is XQuery?; Capabilities of XQuery; Uses for XQuery; Processing Scenarios; Easing into XQuery; Path Expressions; FLWORs; Adding XML Elements and Attributes; Adding Elements; Adding Attributes; Functions; Joins; Aggregating and Grouping Values; XQuery Foundations; The Design of the XQuery Language; XQuery in Context; XQuery and XPath; XQuery Versus XSLT; XQuery Versus SQL. XQuery and XML SchemaProcessing Queries; XML Input Documents; The Query; The Context; The Query Processor; The Results of the Query; The XQuery Data Model; Nodes; Node kinds; The node hierarchy; The node family; Roots, documents, and elements; Node identity and name; String and typed values of nodes; Atomic Values; Sequences; Types; Namespaces; Expressions: XQuery Building Blocks; Categories of Expressions; Keywords and Names; Whitespace in Queries; Literals; Variables; Function Calls; Comments; Evaluation Order and Parentheses; Comparison Expressions; General Comparisons. General comparisons on multi-item sequencesGeneral comparisons and types; Value Comparisons; Node Comparisons; Conditional (if-then-else) Expressions; Conditional Expressions and Effective Boolean Values; Nesting Conditional Expressions; Logical (and/or) Expressions; Evaluation Order of Logical Expressions; Negating a Boolean Value; Navigating Input Documents Using Paths; Path Expressions; Path Expressions and Context; Steps and changing context; Steps; Axes; Node Tests; Node name tests; Node name tests and namespaces; Node name tests and wildcards; Node kind tests; Abbreviated Syntax. Other Expressions As StepsPredicates; Comparisons in Predicates; Using Positions in Predicates; Understanding positional predicates; The position and last functions; Positional predicates and reverse axes; Using Multiple Predicates; More Complex Predicates; Dynamic Paths; Input Documents; Accessing a Single Document; Accessing a Collection; Setting the Context Node Outside the Query; Using Variables; A Closer Look at Context; Working with the Context Node; Accessing the Root; Adding Elements and Attributes to Results; Including Elements and Attributes from the Input Document. Direct Element ConstructorsContaining Literal Characters; Containing Other Element Constructors; Containing Enclosed Expressions; Enclosed expressions that evaluate to elements; Enclosed expressions that evaluate to attributes; Enclosed expressions that evaluate to atomic values; Enclosed expressions with multiple subexpressions; Specifying Attributes Directly; Declaring Namespaces in Direct Constructors; Use Case: Modifying an Element from the Input Document; Direct Element Constructors and Whitespace; Boundary whitespace; The boundary-space declaration.
Responsibility: by Priscilla Walmsley.

Abstract:

With the XQuery 1.0 standard, you have a tool that can make it much easier to search, extract and manipulate information from XML content stored in databases. This tutorial not only walks you through  Read more...

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