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XQuery : search across a variety of XML data /
Designed for query writers who have some knowledge of XML basics, but not necessarily advanced knowledge of XML-related technologies, this book is ideal as both a tutorial and a reference. You?ll find background information for namespaces, schemas, built-in types, and regular expressions that are re...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Sebastopol, CA :
O'Reilly Media,
2015.
|
| Edición: | Second edition. |
| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
MARC
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| 100 | 1 | |a Walmsley, Priscilla, |e author. | |
| 245 | 1 | 0 | |a XQuery : |b search across a variety of XML data / |c Priscilla Walmsley. |
| 250 | |a Second edition. | ||
| 264 | 1 | |a Sebastopol, CA : |b O'Reilly Media, |c 2015. | |
| 300 | |a 1 online resource (1 volume) : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 588 | 0 | |a Online resource; title from title page (Safari, viewed December 10, 2015). | |
| 500 | |a Includes index. | ||
| 505 | 0 | |a Copyright; Table of Contents; Preface; Contents of This Book; Reading the Syntax Diagrams; Conventions Used in This Book; Using Code Examples; Useful Functions; Safari® Books Online; We'd Like to Hear from You; Acknowledgments; Chapter 1. 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; Chapter 2. XQuery Foundations; The Design and History of the XQuery Language. | |
| 505 | 8 | |a XQuery in ContextXQuery and XPath; XQuery Versus XSLT; XQuery Versus SQL; XQuery and XML Schema; Processing Queries; Input Documents; The Query; The Context; The Query Processor; The Results of the Query; The XQuery Data Model; Nodes; Atomic Values; Sequences; Types; Namespaces; Chapter 3. Expressions: XQuery Building Blocks; Categories of Expressions; Keywords and Names; Whitespace in Queries; Literals; Variables; Function Calls; Comments; Precedence and Parentheses; Comparison Expressions; General Comparisons; Value Comparisons; Node Comparisons; Conditional (if-then-else) Expressions. | |
| 505 | 8 | |a Conditional Expressions and Effective Boolean ValueNesting Conditional Expressions; Switch Expressions; Logical (and/or) Expressions; Precedence of Logical Expressions; Negating a Boolean Value; Chapter 4. Navigating XML by Using Paths; Path Expressions; Path Expressions and Context; Steps; Axes; Node Tests; Abbreviated Syntax; Other Expressions as Steps; Predicates; Comparisons in Predicates; Using Positions in Predicates; Using Multiple Predicates; More Complex Predicates; A Closer Look at Context; Working with the Context Node; Accessing the Root; Dynamic Paths; The Simple Map Operator. | |
| 505 | 8 | |a Chapter 5. Adding Elements and Attributes to ResultsIncluding Elements and Attributes from the Input Document; Direct Element Constructors; Containing Literal Characters; Containing Other Element Constructors; Containing Enclosed Expressions; Specifying Attributes Directly; Declaring Namespaces in Direct Constructors; Use Case: Modifying an Element from the Input Document; Direct Element Constructors and Whitespace; Computed Constructors; Computed Element Constructors; Computed Attribute Constructors; Use Case: Turning Content to Markup; Chapter 6. Selecting and Joining Using FLWORs. | |
| 505 | 8 | |a Selecting with Path ExpressionsFLWOR Expressions; The for Clause; The let Clause; The where Clause; The return Clause; The Scope of Variables; Quantified Expressions; Binding Multiple Variables; Selecting Distinct Values; Joins; Three-Way Joins; Outer Joins; Joins and Types; Chapter 7. Sorting and Grouping; Sorting in XQuery; The order by Clause; The sort Function; Document Order; Document Order Comparisons; Reversing the Order; Indicating That Order Is Not Significant; Grouping; Grouping Using the group by Clause; Aggregating Values; Ignoring "Missing" Values; Counting "Missing" Values. | |
| 520 | |a Designed for query writers who have some knowledge of XML basics, but not necessarily advanced knowledge of XML-related technologies, this book is ideal as both a tutorial and a reference. You?ll find background information for namespaces, schemas, built-in types, and regular expressions that are relevant to writing XML queries. | ||
| 590 | |a O'Reilly |b O'Reilly Online Learning: Academic/Public Library Edition | ||
| 650 | 0 | |a Query languages (Computer science) | |
| 650 | 0 | |a XML (Document markup language) | |
| 650 | 6 | |a Langages d'interrogation. | |
| 650 | 6 | |a XML (Langage de balisage) | |
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| 650 | 7 | |a Query languages (Computer science) |2 fast | |
| 650 | 7 | |a XML (Document markup language) |2 fast | |
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