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  1. #1
    Join Date
    Aug 2009
    Posts
    2

    Correct Data Modeling Notation

    Can anyone say which is the correct Data Modeling notations

    ER diagram or Infromation Engineering or bakers

  2. #2
    Join Date
    Dec 2007
    Location
    London, UK
    Posts
    741
    Barker and Information Engineering (IE) are two different notations for making ER diagrams. Chen's was the original ER diagram notation but there is no single "correct" notation. Further reading here:
    Comparison of Techniques

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