Sams Teach Yourself XML in 21 Days
by Steve Holzner
Publisher: Sams 2003
Number of pages: 888
The book offers hundreds of real-world examples demonstrating the uses of XML and the newest tools developers need to make the most of it. It starts from basic syntax, and discusses XML document structure, document types, and the benefits of XML Schema. The book also covers formatting using either CSS or the Extensible Stylesheet Language, working with XHTML, XForms, building XML into database or Web Service applications with SOAP.
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by Elliotte Rusty Harold - Addison-Wesley Professional
A complete guide to writing Java programs that read and write XML documents. Shows developers how to save XML documents, read XML documents, communicate with network servers that send and receive XML data, and integrate XSLT into their programs.
These tutorials introduce a variety of XML topics including, SVG, DTD, Schema, XSLT, DOM and SAX. Each topic includes a number of problems that the student must complete. Online parsers that process the students answers and give immediate feedback.
by Dan McCreary - Wikibooks
by Vijay Mukhi, Shruti Gupta, Sonal Mukhi
The XML Schema specifies the properties of a resource, while the XML file stipulates a set of values for these properties. The XML Schema concedes generous amount of autonomy to the programmer to define the rules of data validity.