Adequate technology is needed to implement effective data storage and retrieval. The study course deals with different types of database systems (relational, relational-object and data warehouses) and their temporal, deductive and active extensions. The study course includes the practical use of the structured query language SQL and its various extensions for various database systems. In order for a specialist to be able to independently create or order a data storage solution corresponding to the company's information system, the study course also includes database design and implementation technologies. Students are introduced to information systems and database technology architectures. In the practical part of the study course, various types of databases are designed and data insertion, retrieval and processing and quality analysis are performed.