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Information × Registration Number 0213U002878, 0109U008461 , R & D reports Title The databases notion and munipulation methods and models for information systems modernization popup.stage_title Head Malakhov E.V., Registration Date 12-02-2013 Organization Odessa National Polytechnic University popup.description2 There have been developed the analytical model of data scheme; the method of ascertaining the correctness of data schemes; the analytical model of relational database with multi-version structure; the method of relational data presentation in different database versions; technique of IS upgrading which solves the task of reducing IS downtime, database size, and of preventing data loss in the process of informational systems upgrading. The informational technology of database multi-version presentation and control is based on the models and methods suggested in the thesis. To assess the efficiency of such technology, indexes of database size and performed work have been developed. According to the results of the carried out experiment the suggested technology has been proven effective in practice.54815481 Product Description popup.authors Іванова В.О. Арсірій О.О Бабіч М.І. Бабченко О.В. Бобок І.І Будорацька Т.Л Василевська О.П. Глава М.Г Ларченко Ю.М. Леус О.О. Маковей І В. Малахов Є.В Нгуєна Кіонг Павліченко Т.В. Погорецька В.Я Пугачевська О.В Саєнко Г.О Трофимов Б.Ф. popup.nrat_date 2020-04-02 Close