How does normalization reduce data redundancy

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madhupriya

  • Nov 27th, 2007
 

Normalization is being applied for the database to reduce redundancy as in case of first normal for remove the redundant data from rows and in 2nd normal form it removes the redundant data vertically and in 3rd normal form it looks for the redundant data and whether it is non transitively depend on the primary key or not. I think this may clear your doubt

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