Defining your own Functions in XQuery

New Tutorial by Dr. Michael Kay Explains in detail how to write W3C XQuery Functions

BEDFORD, MA -- 05/01/2006 -- Stylus Studio (http://www.stylusstudio.com), the industry-leading provider of XML tools and components for advanced data integration, today announced the availability of a new XQuery tutorial entitled: Defining your own Functions in XQuery. This new tutorial provides numerous XQuery examples and valuable technical insight that is certainly worth book-marking! Learn how to leverage powerful XQuery functions in just minutes. Defining your own Functions in XQuery was written by XML industry guru, Dr. Michael Kay, founder of Saxonica, the producer of the Saxon XQuery and XSLT processor. Dr. Kay is a member of the W3C committees on XQuery, XPath, and XSLT, and the author of numerous best-selling XML books. Read the new tutorial online for free today!

Not all developers understand the power of XQuery - but more and more are turning to XQuery to help create advanced data integration applications every day. This new tutorial gives XML developers the information on modules and functions they need to take advantage of the full power and flexibility of XQuery. Being able to define your own functions in XQuery can be one of the most useful skills you learn this year. Dr. Michael Kay states, "XQuery functions have a useful function!" Defining your own Functions in XQuery covers the following topics:

  • A simple XQuery function example
  • The function name
  • XQuery Function arguments
  • The result type
  • The function body
  • Modules and Schemas
  • Documenting XQuery functions
  • Using Functions to Mask Schema Complexity
  • Writing Recursive Queries

Build XQuery Applications Today

Once you've read Defining your own Functions in XQuery, the easiest way to build real-world XQuery applications is with Stylus Studio® 2006 XML Enterprise Edition, the world's leading XQuery development tool, with full support for XQuery Editing, XQuery Mapping, XQuery Debugging, XQuery Profiling, and more. Stylus Studio also supports Java code generation and XQuery output validation, so you can quickly and easily develop and deploy live XQuery applications using industry-leading XQuery processing components like DataDirect XQuery and Saxon. Download a free trial of our award-winning XQuery tools today!

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Pricing and Availability

Stylus Studio 2006 Release 2 XML Enterprise Edition is available for immediate purchase at the Stylus Studio online shop. Single user licenses for Stylus Studio XML Enterprise Edition start at just $795 (USD). For more information about purchasing Stylus Studio, including enterprise sales inquiries, contact us.

About Stylus Studio

Stylus Studio®, a product from DataDirect Technologies, an operating company of Progress Software Corporation, is the industry's most innovative XML IDE, providing advanced support for XML and its related technologies: XSLT, XML Schema, DTD, XQuery, EDI, XML mapping, Web services and legacy data integration. Used by leading software developers world-wide, Stylus Studio simplifies XML programming and enhances developer productivity through innovation. For more information, visit: http://www.stylusstudio.com.


Stylus Studio and DataDirect XQuery are trademarks or registered trademarks of Progress Software Corporation in the U.S. and other countries. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. Any other trademarks or service marks contained herein are the property of their respective owners.


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