“…Contemporary business environments, especially SMEs, want access to modern computer systems [7], characterized by: high performance information system from the technical viewpoint and results [8], cover all functions of the company that perform processing information, easy to use by company personnel, minimized exploitation qualified personnel, easy data porting from existing information systems, use of modest equipment and devices in relation to its purpose, low software acquisition costs, minimum budget for hardware and software maintenance and consulting. The development, implementation and maintenance of such systems is only possible through the application of specific design techniques and methods.…”