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Thread: normalization

  1. #1
    Junior Member
    Join Date
    May 2008
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    1

    normalization

    expalin in detail the diferences between the first and second normal forms?


  2. #2
    Expert Member
    Join Date
    Sep 2007
    Answers
    697

    Re: normalization

    Follow this link


  3. #3
    Junior Member
    Join Date
    Jun 2008
    Answers
    1

    Re: normalization

    First Normal Form:The domain of attribute must include only atomic (simple, indivisible) values.
    Second Normal Form:A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.


  4. #4
    Junior Member
    Join Date
    Aug 2008
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    1

    Re: normalization

    what is normalization


  5. #5
    Contributing Member
    Join Date
    Feb 2007
    Answers
    34

    Re: normalization

    In simple words it is a way for designing database tables to minimize duplication of data.
    Database developers have introduce some guidelines for ensuring that databases are normalized. These are referred to as normal forms and they are called as first normal form, second normal form etc.

    Thanks.


  6. #6
    Expert Member
    Join Date
    Jun 2007
    Answers
    260

    Re: normalization

    hi,

    Please refer to Database normalization - Wikipedia, the free encyclopedia, gives you all the information. Please dont hesitate to post your queries after going through this

    Thanks
    Sushma


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