Learn XML

Understanding XML game

10 page PHP SimpleXML reference

BizTalk and XML Interoperability

Kurt Cagle's 60 Webtricks

Python & XML

An exploration of XML in database management systems

Building a Client-Side XML Application

What Is XML and Why Should I Care?

XLink: Creating Powerful, Flexible Hypertext Structures

XML Application on a Unix Server

XML for the VB/ASP Programmer

Using VB and ADO to return and update Record Set based XML

XML Interoperability

XML and Server-Side Processing

XML-ify your stored procedures

XML Structures for Existing Databases

XML, Webservices, and the .NET Framework

XML, Webservices, and the .NET Framework

XML and Binary Data

Using XSLT to Transform XML

Using XML Technologies to Build eBusiness Applications

COM+ and CORBA Interop with XML-based Web Services

Real World XML: Examples of XML at Work

Developers Guide to XML

Using XML and tiered solutions