Business rules are at the foundation of every information system as they drive and offer guidelines for managing and conducting all activities within an organizations. They are important both for operational systems and for analytical ones, as they can serve as data quality rules. Several...

The need for databases occurs in the moment when takes place an informatics system development. Moreover, databases are an important step in this process. For this reason, this paper deals with object-relational databases implementation as part of informatics systems development. The practical...