W3C XML SchemaActivity
XML Schema is an XML-based alternative to DTD.
XML Schema Tutorial
To learn more about XML Schema, please read ourXML Schema Tutorial。
XML Schema
XML 1.0 supports DTDs that define document structure.
XML Schema provides better support for applications, document structures, attributes, and data types.
Future versions of XML rely on XML Schema to define the types of XML documents.
- XML Schema Structure defines the definition language for XML Schema.
- XML Schema's data types define extensible data types for XML.
W3C XML Specifications and Timeline
| Specifications | Draft/Proposal | Recommendation date |
|---|---|---|
| XML Schema (XSD) | 02. May 2001 | |
| XML Schema 1.0: Structures | 02. May 2001 | |
| XML Schema 1.0: Datatypes | 02. May 2001 | |
| XML Schema (2.Ed) | 28. Oct 2004 | |
| XML Schema Structures (2.Ed) | 28. Oct 2004 | |
| XML Schema Datatypes (2.Ed) | 28. Oct 2004 | |
| XML Schema Component Designators | 19. Jan 2010 | |
| XML Schema 1.1: Structures | 21. Jul 2011 | |
| XML Schema 1.1: Datatypes | 21. Jul 2011 |