Mohammed Alaslani Blog

April 10, 2010

Normalization

Filed under: Uncategorized — maslani4 @ 3:13 pm

A normalization i s a process for evaluating and correcting table structure to minimize data redundancy.Where as denormalization is to get lower normal form. iwill be considring on this post 3 types of normalization only which are:

1NF

2NF

3NF

and the others are :

BCNF AND 4NF

second normal form is better than first normal form , and third normal form is better than second normal form.

So if you have bigger normal form it is better than less normal form.

i have created a table using Microsoft word , shows how to get 1NF, 2NF , 3NF:

Written by: Mohammed Alaslani

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