XQuery: The complete course

Abstract

Detailed technical coverage of XQuery 1.0, including XPath 2.0, based on material from the book XQuery. It provides attendees with a solid understanding of the syntax and structure of XQuery expressions. Emphasis is on practical examples and hands-on participation from the attendees.

Duration

2-3 days

Schedule

To schedule a class, please contact us at pwalmsley@datypic.com.

Topics covered

• XQuery in context
  • What is XQuery?
  • Use cases
  • Background and language design
  • Easing into XQuery
• The data model
  • Nodes
  • Atomic values
  • Sequences
• XQuery language basics
  • XQuery syntax and keywords
  • Variables
  • Function calls
  • Comments
  • Comparisons
  • Conditional expressions (if-then-else)
  • The query prolog
• Path Expressions
  • Axes
  • Node tests
  • Predicates
  • The position and last functions
  • The doc and collection functions
• Adding Elements and attributes
  • Direct element constructors
  • Direct attribute constructors
  • Computed constructors
• Selecting and filtering using FLWOR expressions
  • The for clause
  • The let clause
  • The where clause
  • The return clause
  • The order by clause
• Combining and joining results
  • Selecting distinct values
  • Joining two documents
  • Outer joins
  • Combining sequences (union, except, intersect)
  • Grouping
• Namespaces
  • Namespaces in XML
  • Namespaces in XQuery
• Working with text and strings
  • Comparing strings
  • Matching with regular expressions
  • Manipulating strings (concatenating, splitting, replacing)
• Functions and modules
  • Calling built-in functions
  • User-defined functions
  • Library modules
  • Global variables
• A closer look at types and schemas
  • The XQuery/XPath type system
  • Constructors and casting
  • Using schemas with XQuery
• Conclusion