May 27, 2021 W3C Standard
XML Schema is an XML-based DTD alternative.
To learn more about XML Schema, read our XML Schema tutorial.
XML 1.0 supports DTDs that define document structures.
XML Schema has better support for applications, document structures, properties, and data types.
Future versions of XML depend on XML Schema to define the type of XML document.
specification | Draft / proposal | Recommended time |
---|---|---|
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 |