In this article, the database objects of the personnel department's performance management information system consist of creating tables that summarize information about employee data, relatives (for the CVs), educational institutions, structure and department, document sets, and regions, and...

This article presents the theoretical foundations of data model, data model component, relational model and relational algebra relations in database. On the basis of these theories, the methods of building relationships of the database tables of the higher education management information system...