• Chapter 1: Getting Started with Stylus Studio®
• Chapter 2: Editing and Querying XML
• Chapter 3: Converting Non-XML Files to XML
• Chapter 4: Working with XSLT
• Chapter 5: Creating XSLT Using the XSLT Mapper
• Chapter 6: Debugging Stylesheets
• Chapter 7: Defining XML Schemas
• Chapter 8: Defining Document Type Definitions
• Chapter 9: Writing XPath Expressions
  • About the XPath Processor
  • Using the XPath Query Editor
  • Sample Data for Examples and Practice
    • About XML Document Structure
    • A Sample XML Document
    • Tree Representation of a Sample XML Document
    • Steps for Trying the Sample Queries
  • Getting Started with Queries
  • Specifying the Nodes to Evaluate
  • Handling Strings and Text
  • Specifying Boolean Expressions and Functions
  • Specifying Number Operations and Functions
  • Comparing Values
  • Finding a Particular Node
  • Obtaining a Union
  • Obtaining Information About a Node or a Node Set
  • Using XPath Expressions in Stylesheets
  • Accessing Other Documents During Query Execution
  • XPath Quick Reference
• Chapter 10: Working with XQuery in Stylus Studio
• Chapter 11: Composing Web Service Calls
• Chapter 12: Accessing Relational Data as XML
• Chapter 13: Integrating with Third-Party File Systems
• Chapter 14: Extending Stylus Studio
• Chapter 15: The Stylus Studio Java API
• Chapter 16: Stylus Studio GUI Reference

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Sample Data for Examples and Practice

The best way to learn how to query data is to practice using XPath. To prepare you for practicing with XPath queries, this section provides a review of the basic structure of an XML document. An understanding of this structure is crucial to defining queries that return the data you want. Following the review, this section includes the XML data on which the query examples operate. The last part of this section provides instructions for running queries on sample data.

The topics in this section include