Database Normalization:

Links :

Database Normalization Basics explained with examples: The best resource I have ever found on Normalization

1. Database Normalization Basics: http://databases.about.com/od/specificproducts/a/normalization.htm
2. Putting your Database in First Normal Form: http://databases.about.com/od/specificproducts/a/firstnormalform.htm
3. Putting your Database in Second Normal Form: http://databases.about.com/od/specificproducts/a/2nf.htm
4. Putting your Database in Third Normal Form: http://databases.about.com/od/specificproducts/a/3nf.htm