The follwing sections given an introduction to some common functions which support each of the eight
following processing steps conveniently.
By experience, successful solutions have been provided already during the first consultation with colleagues who needed solutions for
their data processing needs. They originally expected a cost and time estimation and a project plan for the project in order to approve the
budget for hiring programmers or consultants, and all that ended up not necessary at all because a few lines of code solved the problem
and a lot of money saved.