Saksonov

The procedure de-identification of the personal data tables, are discussed. The procedure consist in transpositions of the records in columns of the table.  The transposition provides the hiding of the logical relationships between personal data and create difficulty for the unauthorized identification. The formula for the estimation of the labour content for unauthorized identification by way direct exhaustion of variants are received. The  algorithm of the reconstruction of the personal data after de-identification are designed. Dignities of the method and the examples of  using are shown. This method  are enough simple for realization  by  programm facilitys of  database, for example  - SQL.            The article can be useful for designers and administrators of the personal data information systems.