This course is an introduction to the application of data analysis for making business decisions. The aim of the course is students to become familiar with the methods, techniques and decision support systems, as well as analysis of the decisions. To become familiar with the techniques for acquiring knowledge and representing knowledge. After completion of the course, students will gain knowledge of how to use decision support systems, how to properly choose an appropriate decision support system in a given business context, as well as to design, develop and manage decision support systems.