O'Reilly Perl Tutorial
SQL tutorial with practice
Online JavaScript tutorial from EchoEcho
Sun's Applet resources , Web Developer Library Applet tutorial, HTML GOODIES: http://www.htmlgoodies.com/beyond/ja.html,
ECHO ECHO: http://www.echoecho.com/applets.htm
Free cgi scripts that provide services such as email form results: cgi resource index
Microsoft article on how to design databases.