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Class of structure-independent databases nowadays is flexible data storages widely used in BI modules and information systems with a variable structure. It allows the user to store heterogeneous data, including unstructured data. Unlike relational, structureindependent databases gives user an opportunity to independently change the structure of the application and the data structure without compulsory knowledge of the query language. Data manipulation procedures, as well as structure-independent databases themselv...

The data warehouse in the information system is intended to reflect the changing part of the domain model. In classical information systems, this part includes data values, and the storage, implemented as a database, and the system itself can be considered static in time objects. Modern conditions for the functioning of information systems are characterized by the requirement for the possibility of modifying the functionality of the system at the stage of its operation. In this regard, not only data values, but al...

In modern studies, the idea is formed that the system approach is a conceptual design, the background in which one of its forms is fixed in the form of a system and its basic abstraction. The existing specific types of systems and their basic abstractions are the result of empirical fixation of ideas about the system approach, fixation of the formed concept of the system approach in the form of one of the types of system forms: "... the representation of an object in the form of a system is nothing more than a tra...