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Posted: February 15th, 2009, 7:37pm CET by NakedExposer
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Que:- What are the properties of the Relational tables? Ans:- Relational tables have six properties: • Values are atomic. • Column values are of the same kind. • Each row is unique. • The sequence of columns is insignificant. • The sequence of rows is insignificant. • Each column must have a unique name. Que:- What is De-normalization? Ans:- De-normalization is the process of attempting to
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