Table of Contents

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  1. Preface
  2. XML Concepts
  3. Using XML with PowerCenter
  4. Working with XML Sources
  5. Using the XML Editor
  6. Working with XML Targets
  7. XML Source Qualifier Transformation
  8. Midstream XML Transformations
  9. Appendix A: XML Datatype Reference
  10. Appendix B: XPath Query Functions Reference

XML Guide

XML Guide

XML Concepts Overview

XML Concepts Overview

Extensible Markup Language (XML) is a flexible way to create common information formats and to share the formats and data between applications and on the internet.
You can import XML definitions into PowerCenter® from the following file types:
  • XML file
    . An XML file contains data and metadata. An XML file can reference a Document Type Definition file (DTD) or an XML schema definition (XSD) for validation.
  • DTD file
    . A DTD file defines the element types, attributes, and entities in an XML file. A DTD file provides some constraints on the XML file structure but a DTD file does not contain any data.
  • XML schema.
    An XML schema defines elements, attributes, and type definitions. Schemas contain simple and complex types. A simple type is an XML element or attribute that contains text. A complex type is an XML element that contains other elements and attributes.
    Schemas support element, attribute, and substitution groups that you can reference throughout a schema. Use substitution groups to substitute one element with another in an XML instance document. Schemas also support inheritance for elements, complex types, and element and attribute groups.

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