Relational and object-relational database schema comparison on concrete aplication

The main goal of this thesis is to introduce the principles of relational and object-relational databases and demonstrate the advantages of object-relational structural elements. Firstly on theoretical and then on practical level. First part of thesis describes the foundations of databases in general. Then I'm focused specifically on relational databases and their problems related with todays object-oriented programming trends. After that I will mention object databases and principles of object-relational mapping and at the end of theoretical part I will describe structural elements of object-relational model. Practical part of thesis compares relational and object-relational models in context of fictional aplication of ehop. The end sums up the thesis and suggests use of particular model in case of nowadays informational systems