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The database is organized according to a data model and stored in the secondary memory data collection. This data set has the following characteristics: As far as possible without duplication, in the best way for a variety of applications for a particular organization, the data structure is independent of the application using it, the data, delete, change and search by Unified software management and control. From the history of development, the database is an advanced stage of data management. It is developed by the file management system.