Mastering XPath and XQuery

111 Ratings

Course Number: XML-130

Duration: 2 days (13 hours)

Format: Live, hands-on

XQuery Training Overview

Accelebrate's XQuery training teaches attendee how to find, retrieve, and manipulate data in XML documents using XPath and XQuery.

Location and Pricing

Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.

In addition, some courses are available as live, online classes for individuals. See a schedule of online courses.

Objectives

  • Understand the XQuery/XPath data model
  • Master the fundamentals of the XQuery/XPath language
  • Use path expressions to refer to elements
  • Select and filter using FLWORs
  • Group combine, and join results
  • Work with namespaces
  • Manipulate strings of text
  • Use functions and modules

Prerequisites

All attendees should understand the fundamentals of XML.

Outline

Expand All | Collapse All

XQuery in Context
  • What is XQuery?
  • Use Cases
  • Background and language design
  • Easing into XQuery
The XQuery/XPath Data Model
  • Nodes
  • Atomic values
  • Sequences
XQuery/XPath 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 Using Constructors
  • Direct element constructors
  • Direct attribute constructors
  • Computed constructors
Selecting and Filtering Using FLWORs
  • The for clause
  • The let clause
  • The where clause
  • The return clause
  • The order by clause
  • Quantified expressions (some/every satisfies)
Grouping, Combining and Joining Results
  • Selecting distinct values
  • Joining two documents
  • Outer joins
  • Combining sequences (union, except, intersect)
  • Grouping
Working with Namespaces
  • Namespaces in XML
  • Namespaces in XQuery
Working with Text and Strings
  • Comparing strings
  • Matching with regular expressions
  • Manipulating strings (concatenating, splitting, replacing)
  • Understanding whitespace
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

Training Materials:

All XQuery training students receive comprehensive courseware.

Software Requirements:

  • The XML/XSLT/XQuery editing and transformation environment that your developers will be using after class.


Learn faster

Our live, instructor-led lectures are far more effective than pre-recorded classes

Satisfaction guarantee

If your team is not 100% satisfied with your training, we do what's necessary to make it right

Learn online from anywhere

Whether you are at home or in the office, we make learning interactive and engaging

Multiple Payment Options

We accept check, ACH/EFT, major credit cards, and most purchase orders



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