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Technical Discussion :: SQL

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What are the advantages and disadvantages of Normalization?

Answer:

There are several advantages of normalization as under:
* Faster sorting and index creation.
* A larger number of clustered indexes.
* Narrower and more compact indexes.
* Fewer indexes per table, which improves the performance of INSERT, UPDATE, and DELETE statements
* Fewer null values and less opportunity for inconsistency, which increase database compactness.

Beside the above benefits there are few disadvantages as well:
* Increased amount of Normalization increases the amount of complexity of joins between tables and that hinders the performance.

Asked In :: Syntel Inc.

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