The information environment for the integrated life cycle model of configurable information system

The Integrated Life Cycle Model demands presence of the information environment which combines in it functions on storage of a subject domain description, a configuration of system and a user data. The given information environment is based on the Structure-Independent Database operated by Database Management System. Using of the Integrating Information Environment allows to raise information systems flexibility, to lower expenses and terms for developing, to refuse the Relational approach to databases design. In the article requirements to the Integrating Information Environment are stated. The analysis of matrix representation of entities and their sets in Relational model and Entity-Attribute-Value model is made. The Integrating Information Environment and realization of a Structure-Independent Database is described.