XQuery Training: Mastering XPath and XQuery

Course Number: XML-130
Duration: 2 days
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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

Most Accelebrate courses are taught on-site at our clients' locations worldwide for groups of 3 or more attendees and are customized to their specific needs. Please visit our client list to see organizations for whom we have recently delivered training. These courses can also be delivered as live, private online classes for groups that are geographically dispersed or wish to save on the instructor's or students' travel expenses. To receive a customized proposal and price quote private training at your site or online, please contact us.

In addition, some courses are available as live, online classes for individuals. To see a schedule of online courses, please visit http://www.accelebrate.com/online_training/?action=categorygroup&page=xml.

XQuery Training Prerequisites

All attendees should understand the fundamentals of XML.

Hands-on/Lecture Ratio

This XQuery training class is 50% hands-on, 50% lecture, with the longest lecture segments lasting for 30 minutes. Students "learn by doing," with immediate opportunities to apply the material they learn to real-world problems.

XQuery Training Materials

All XQuery training students receive a copy of Ms. Walmsley’s XQuery book and related courseware. The book is published by O’Reilly and has been the #1 selling XQuery book for more than two years.

Software Needed on Each Student PC

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

XQuery Training Objectives

All attendees learn how to:

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

XQuery Training Outline

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

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“Accelebrate,” “Accelerated Learning Celebrated Results,” and the Accelebrate logo are registered trademarks of Accelebrate, Inc. All other product names and trademarks are property of their respective owners. Course outline content may mirror or be derived from the book that each student receives with the course. Otherwise, all content is copyright © 2003- by Accelebrate, Inc. of Atlanta, Georgia, USA. To contact us, please use the contact form, email info@accelebrate.com us, or call 1 877 849 1850 in the US and Canada, 0808 234 2132 in the UK, 1 800 550 311 in Ireland, or +1 678 648 3113 from all other locations.