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Normalization in sql

Explain the normalization and why it is done. explain the case when we avoid the normalization in database.
Asked by: robindas | Member Since Nov-2012 | Asked on: Jan 16th, 2013

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Answered On : Feb 27th, 2013

View all answers by ppad001

For perfomance optimization.
Like in case of datawarehousing operation the no of tables to be joined to get the desired output might be too high. In such a case we de-normalize to serve our purpose.

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