Analyze of results of implementation of fuzzy-queries and mathematical structure of the relational database in corporate information systems

Regular increase of database volume in corporate information systems (CIS) provides great opportunity to investigate relation among different type and find out hidden correlation. This is very important factor in order to develop strategic plans and dive correct decisions. In this article the implementation of Business Intelligence analytic information system to the reporting and query methodology to the CIS database were analyzed. Furthermore discovering of hidden information and there processing by fuzzy-logic were also investigated.