Thanks for all the suggestions.

 

Here is the Perl solution for my light weighted standalone web application (based on the input so far):

§         Using IIS, or install Apache, or HTTP::Server::Simple

§         Developing a Perl web app that runs locally on my PC using CGI::Application, which is "a mature, lightweight, flexible MVC framework for web application development". Tutorial here.

§         Drawing graphs on server side using CGI::Application::GDGraph::lines_ap and GD::Graph

§         Oracle database access using DBD-ORACLE