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Data Redundancy

16 October, 2015 - 17:09

Since files and applications are created by different programmers of various departments over long periods of time, it might lead to several problems such as

  • inconsistency in data format,
  • the same information may be kept in several different place (files)
  • data inconsistency, which means various copies of the same data are conflicting ; this wastes stor age space and duplicates effort