XDR Schema

XML-Data Reduced (XDR) is a discontinued schema language for specifying and validating XML documents.

In January 1998, Microsoft, the University of Edinburgh and others submitted a proposal for an XML schema language called XML-Data to the World Wide Web Consortium. XML-Data Reduced was a subset of XML-Data, with some corrections and amendments submitted in July 1998.^[1]

The

Server 2000. Once the XML Schema Definition was finalized in 2001, Microsoft products and tools added support for it, and XDR was gradually phased out.

Microsoft XML Core Services provided XDR schema support from versions 2.0 up to—but not including—version 6.0.^[2]

See also

• XML Schema Language Comparison
  - Comparison of other XML Schema languages (not XDR).
• List of XML Schemas
  - list of XML schemas in use on the Internet sorted by purpose

External links

• XDR Schema Data Types Reference

References