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The principle of integration, accumulation, storage, and systematic updating of data for timely and reliable information services to multiple users of the system is laid on the stage of its creation. Taken into account that users of information will not only specialists in a particular subject area of management (accounting, planning, management, marketing, etc.), but the programmers involved in the creation and maintenance of software. Therefore, in the process of designing the database (DB) is a thorough study of many-sided subject area, its elements, the relationship between them, and also identifies particularly circulating in her data as a particularly important resource. It creates a general block diagram of the databases in the form of multilevel models that create the conditions and made the choice of database management system (DBMS). It establishes an agreement between users on the composition and structure of the data developed ways to filter erroneous data entered into the system, we establish the necessary differentiation of access to arrays of specific users, satisfied the demands of data independence of programs and their physical location, etc. All these actions is taken into account, among other factors when selecting or creating a database. In the process of implementing information environmental essay, database and database require systematic maintenance, maintenance in working order (maintenance). These functions are performed by the DBA, that one or more specialists who are responsible for the operation of the integrated database, have the authority to adjust the management of the database, are responsible for data integrity and to protect them from unauthorized access, system reliability. operation of databases managed by DBMS and systematic monitoring by the administrator is a complex interaction of organizational and technological complex, known as automated data bank. Under the computerized data bank (BND) refers to organizational and technological custom essay writing paper (system), including the database to address the functional management tasks, technical, software and language tools, as well as staff. Increased requirements for timeliness of information exchange and management, and consequently, to the urgency of information processing led to the creation of multilevel systems of organizational management objects, what are, for example, banking, fiscal, logistical, statistical and other services. Their information supports a network of automated data banks, which are constructed in the light of organizational and functional structure of the multi-level economic object, the engine of information files. The problem in the new information technologies solve the distributed data processing system using the communication channels for exchanging information between databases at different levels. Due to the complexity of software for database management increase the speed, protection and validity of the information in the performance of economic calculations and making management decisions.
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