IBM Tutorials. IBM provides good free tutorials on JAVA, XML SOAP, Web Services, PHP and more. Click the following link IBM Tutorials

If you want to install a development system with IBM DB2 Express, Eclipse and IBM Websphere Application server you will find detailed instructions at the Database applications made easy site.

IBM SQL and XQuery Tutorials. A very good series of IBM tutorials teaches basic to advanced SQL and basic XQuery. The latter is a new language that allows to query XML documents which might be stored in a database column with the new xml data type (recently added to DB2). Click the following link SQL and XQUERY tutorials series

CGI Programming on the AS/400. One little known truth is the fact that it is quite easy to develop CGI programs and Web Applications by using traditional AS/400 languages such as Cobol or RPG. You will find very useful information and a lot of FREE downloadable software on the following IBM site Get to the Web with your RPG/400
Other interesting examples on how to use CGI code from RPG and Cobol can be found with the following link CGI code examples.