In the early days of the World Wide Web, information was stored in simple files with only HTML markup. Today, the web server often processes scripts within web files that e.g. call other files, stylesheets, etc. Furthermore, the scripts may also acquire information from a relational database management system. Such a modern system gets data from database tables and includes them in the web page that is delivered to the user.

To make database-backed system of web pages like Evolutionary Economics et al., we need a system of tools. Thus we leave the user’s viewpoint that there is just a web server that is capable of sending web pages. Instead we have to think in terms of a system consisting of a web server system (like Apache) as an entity that from the web files can interpret a programming language (like PHP or Perl) and thus can access a database management system (like MySQL). Such a system may look rather complicated - like it is sketched in the following figure:

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