XQuery

Priscilla Walmsley (pwalmsley@datypic.com)

ISBN: 0596006349

1st edition, 2007, O'Reilly Media, Inc.

• Overview
• Table of contents
• Sample chapter
• Examples
• Errata
• Purchase

Table of contents

• Chapter 1. Introduction to XQuery
  • What is XQuery?
  • Easing into XQuery
  • Path expressions
  • FLWORs
  • Adding XML elements and attributes
  • Functions
  • Joins
  • Aggregating and grouping values
• Chapter 2. XQuery foundations
  • The design of the XQuery language
  • XQuery in context
  • Processing queries
  • The XQuery data model
  • Namespaces
• Chapter 3. Expressions: XQuery building blocks
  • Categories of expressions
  • Keywords and names
  • Whitespace in queries
  • Literals
  • Variables
  • Function calls
  • Comments
  • Evaluation order and parentheses
  • Comparison expressions
  • Conditional (if-then-else) expressions
  • Logical (and/or) expressions
• Chapter 4. Navigating input documents using paths
  • Path expressions
  • Predicates
  • Dynamic paths
  • Input documents
  • A closer look at context
• Chapter 5. Adding elements and attributes to results
  • Including elements and attributes from the input document
  • Direct element constructors
  • Computed constructors
• Chapter 6. Selecting and joining using FLWORs
  • Selecting with path expressions
  • FLWOR expressions
  • Quantified expressions
  • Selecting distinct values
  • Joins
• Chapter 7. Sorting and grouping
  • Sorting in XQuery
  • Grouping
  • Aggregating values
• Chapter 8. Functions
  • Built-in versus user-defined functions
  • Calling functions
  • User-defined functions
• Chapter 9. Advanced queries
  • Copying Input elements with modifications
  • Working with positions and sequence numbers
  • Combining results
  • Using intermediate XML documents
• Chapter 10. Namespaces and XQuery
  • XML namespaces
  • Namespaces and XQuery
  • Namespace declarations in queries
  • Controlling namespace declarations in your results
• Chapter 11. A closer look at types
  • The XQuery type system
  • The built-in types
  • Types, nodes and atomic values
  • Type checking in XQuery
  • Automatic type conversions
  • Sequence types
  • Constructors and casting
• Chapter 12. Queries, prologs and modules
  • Structure of a query: prolog and body
  • Assembling queries from multiple modules
  • Variable declarations
  • Declaring external functions
• Chapter 13. Using schemas with XQuery
  • What is a schema?
  • Why use schemas with queries?
  • W3C XML Schema: A brief overview
  • In-scope schema definitions
  • Schema validation and type assignment
  • Sequence types and schemas
• Chapter 14. Static typing
  • What is static typing?
  • The typeswitch expression
  • The treat expression
  • Type declarations
  • The zero-or-one, one-or-more, and exactly-one functions
• Chapter 15. Principles of query design
  • Query design goals
  • Clarity
  • Modularity
  • Robustness
  • Error handling
  • Performance
• Chapter 16. Working with numbers
  • The numeric types
  • Constructing numeric values
  • Comparing numeric values
  • Arithmetic operations
  • Functions on numbers
• Chapter 17. Working with strings
  • The xs:string type
  • Constructing strings
  • Comparing strings
  • Substrings
  • Finding the length of a string
  • Concatenating and splitting strings
  • Manipulating strings
  • Whitespace and strings
  • Internationalization considerations
• Chapter 18. Regular expressions
  • The structure of a regular expression
  • Representing individual characters
  • Representing any character
  • Representing groups of characters
  • Character class expressions
  • Reluctant quantifiers
  • Anchors
  • Back-references
  • Using flags
  • Using sub-expressions with replacement variables
• Chapter 19. Working with dates, times and durations
  • The date and time types
  • The duration types
  • Extracting components of dates, times and durations
  • Using arithmetic operators on dates, times and durations
  • The date component types
• Chapter 20. Working with qualified names, URIs and IDs
  • Working with qualified names
  • Working with URIs
  • Working with IDs
• Chapter 21. Working with other XML components
  • XML comments
  • Processing instructions
  • Documents
  • Text nodes
  • XML entity and character references
  • CDATA sections
• Chapter 22. Additional XQuery-related standards
  • Serialization
  • XQueryX
  • XQuery Update Facility
  • Full-Text search
  • XQuery API for Java (XQJ)
• Chapter 23. Implementation-specific features
  • Conformance
  • XML version support
  • Setting the Query context
  • Option declarations and extension expressions
  • Specifying serialization parameters
• Chapter 24. XQuery for SQL users
  • Relational versus XML data models
  • Comparing SQL syntax to XQuery syntax
  • Combining SQL and XQuery
  • SQL/XML
• Chapter 25. XQuery for XSLT users
  • XQuery and XPath
  • XQuery versus XSLT
  • Differences between XQuery 1.0/XPath 2.0 and XPath 1.0
• Appendix A. Built-in function reference
• Appendix B. Built-in type reference
• Appendix C. Error code reference