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<h1>W3C XML Schema Activities</h1>
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<p class="intro">XML Schema is an XML based alternative to DTD.</p>
<hr />
<h2>XML Schema Tutorial</h2>
<p>To learn more about XML Schema, read our <a href="../schema/default.asp">XML Schema tutorial</a>.</p>
<hr />
<h2>XML Schema</h2>
<p>XML 1.0 supports DTD for defining the structure of documents. </p>
<p>XML Schema has better support for applications, document structure,
attributes, and data-typing.</p>
<p>Future versions of XML will rely on XML Schema for defining XML document
types.</p>
<ul type="square">
<li>XML
Schema Structures specifies the XML Schema definition language. </li>
<li>XML
Schema Data types specifies extensible data types
for XML.</li>
</ul>
<hr />
<h2>W3C XML Specifications and Timeline</h2>
<table class="ex" cellspacing="0" border="1" width="100%">
<tr>
<td><b>Specification</b></td>
<td><b>Draft / Proposal</b></td>
<td><b>Recommendation</b></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>XML Schema</td>
<td> </td>
<td>
<a target="_blank" href="../../www.w3.org/TR/2001/REC-xmlschema-0-20010502/default.htm">02. May 2001</a></td>
</tr>
<tr>
<td>
<p>XML
Schema Structures</p>
</td>
<td> </td>
<td>
<a target="_blank" href="../../www.w3.org/TR/2001/REC-xmlschema-1-20010502/default.htm">02. May 2001</a></td>
</tr>
<tr>
<td>
<p>XML
Schema Datatypes</p>
</td>
<td> </td>
<td>
<a target="_blank" href="../../www.w3.org/TR/2001/REC-xmlschema-2-20010502/default.htm">02. May 2001</a></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>XML Schema (2.Ed)</td>
<td>
</td>
<td><a target="_blank" href="../../www.w3.org/TR/xmlschema-0/default.htm">28. Oct 2004</a></td>
</tr>
<tr>
<td>
<p>XML
Schema Structures (2.Ed)</p>
</td>
<td>
</td>
<td><a target="_blank" href="../../www.w3.org/TR/xmlschema-1/default.htm">28. Oct 2004</a></td>
</tr>
<tr>
<td>
<p>XML
Schema Datatypes (2.Ed)</p>
</td>
<td>
</td>
<td><a target="_blank" href="../../www.w3.org/TR/xmlschema-2/default.htm">28. Oct 2004</a></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td>XML Schema Component
Designators</td>
<td><a target="_blank" href="../../www.w3.org/TR/xmlschema-ref/default.htm">29. Mar
2005</a></td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table>
<br />
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<h2>W3C Reference:</h2>
<p><a target="_blank" href="../../www.w3.org/XML/Schema">W3C XML Schema Home Page</a></p>
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