Apache Derby—Off to the Races: Includes Details of IBM® Cloudscape™

Summary

This chapter has led you through the process of installing and configuring the Perl interpreter with Apache Derby support on your server. You learned the basic building blocks of database-driven Perl applications, including how to connect to the database, issue SQL statements, and fetch results from the database. The chapter presented the core elements of Web applications, including how to retrieve form variables, check form variables for tainted input, and design a Web application based on a page dispatch controller pattern, with the Perl subroutines divided between business logic and presentation logic. Finally, you learned how to create a Perl application with a graphical user interface using the Tk module.