XML: DOM -- Intro

This link gives a good intro for DOM (XML parser ) beginner.

http://www.developerlife.com/domintro/default.htm

Orace/ Java (XML APIS)Technologies link

This is very specific to oracle's java (XML) related API's:

http://www.idevelopment.info/data/Programming/java/PROGRAMMING_Java_Programming.shtml

XSD - XML Schema Definition links.

1. For the beginners: http://lucas.ucs.ed.ac.uk/xml-schema/
2. One more cool link: http://www-128.ibm.com/developerworks/xml/library/xml-schema/#sidebar1