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W3C XML Schema Activity



XML Schema is an XML-based replacement for DTD.


XML Schema Tutorial

To learn more about XML Schema, read our XML Schema tutorial.


XML Schema

XML 1.0 supports DTDs that define the structure of the document.

XML Schema has better support for applications, document structures, attributes and data types.

Future versions of XML will rely on XML Schema to define the type of XML document.

  • The structure of XML Schema (XML Schema Structure) specifies the definition language of XML Schema.

  • XML Schema data types specify extensible data types for XML.


W3C XML Specification and Timeline

##SpecificationDraft/ProposalRecommended timeXML Schema (XSD)XML Schema 1.0: StructuresXML Schema 1.0: Datatypes##XML Schema (2.Ed)28. Oct 2004XML Schema Structures (2.Ed)28. Oct 2004XML Schema Datatypes (2.Ed)28. Oct 2004##XML Schema Component DesignatorsXML Schema 1.1: StructuresXML Schema 1.1: Datatypes
02. May 2001
02. May 2001
02. May 2001
19. Jan 2010
21. Jul 2011
21. Jul 2011
W3C Reference Manual:

W3C XML Schema Home Page