Nástroj pro modelování relační databáze

Abstract

This bachelor thesis deals with a design and an implementation of a software tool to design a~relational database schema using an ER diagram. The tool allows the user both creation of a new schema and a visualization of existing schemas and their subsequent modification using a graphical editor. The thesis consists of two parts where the first part is focused on different notations of an ER diagrams and a comparison of existing ER diagram creation tools. The second part concerns with a design and an implementation of a graphical editor and a synchronization of an ER diagram with an existing relational database schema.