Chapter 9 Writing XPath Expressions


The XML Path Language (XPath) allows you to query an XML document using XPath expressions. An XPath expressions returns a well-formed XML node-list or an XPath value object. Stylus Studio supports the November 2005 W3C XPath 2.0 Candidate Recommendation. XPath 2.0 is a superset of XPath 1.0.

This section discusses the following topics:

XQuery Blasts off at NASA's Johnson Space Center

This is a short story how DynCorp (CSC) used XQuery at NASA's Johnson Space Center to Simplify XML Data Access and Integration

DTD vs. Schema

Stylus Studio provides tools for working with both W3C XML Schema and DTD's - this tutorial explains what the differences are between the two, providing a technical comparison of DTD vs Schema.

Configuring the Java Runtime Engine or Java Development Kit

This page identifies the Stylus Studio modules that require Java runtime and Java compiler components, where you can download these Java components, and how to force Stylus Studio to detect new or changed Java components.

ETL - Extract, Transform, Load

Designing Extract, Load and Tranform (ETL) applications including ETL data warehousing, etl design and etl programming is easy with Stylus Studio's XML and ETL Tools. Start ETL Programming today.

Stylus Most Wanted

 
Free Stylus Studio XML Training:
W3C Member