W3C XML Activities

From http://www.w3schools.com (Copyright Refsnes Data)

# W3C XML Schema Activities

XML Schema is an XML-based alternative to DTD.

## XML Schema Tutorial

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

## XML Schema

XML 1.0 supports DTD for defining the structure of documents.

XML Schema has better support for applications, document structure, attributes, and data-typing.

Future versions of XML will rely on XML Schema for defining XML document types.

- XML Schema Structures specifies the XML Schema definition language.
- XML Schema Data types specifies extensible data types for XML.

## W3C XML Specifications and Timeline

Specification | Draft / Proposal | Recommendation
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 | 29. Mar 2005 |
XML Schema 1.1: Structures | 20. Jun 2008 |
XML Schema1.1: Datatypes | 20. Jun 2008 |

## W3C Reference:

W3C XML Schema Home Page

From http://www.w3schools.com (Copyright Refsnes Data)