dataMagus is a software to learn database modelling. The main goal is to help students to understand the concepts of various databases. Therefore, we begin by modelling an abstract sample of the real world in the logical layer and transform it to several existing database models such as the relational or the object-oriented model. In the end, we can even generate source codes for different targets which work with the relational or with the object-oriented model. dataMagus can show your models in different notations.