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Below you will find most useful, handpicked tutorials on normalization in databases, with easy to understand examples.

1. Normalization explained with good examples. [Link]

2. This is meant to be a very brief tutorial aimed at beginners who want to get a conceptual grasp on the database normalization process. It includes Introduction, The Problem: Keeping Track of a Stack of Invoices, First Normal Form, Second Normal Form, Third Normal Form, References for Further Reading etc. [Link]

3. Normal Forms explained upto 5th normal form by Ben Goren. [Link]

4. Normalization Outline and Example - Steps followed in the normalization process. [Link]

5. 1st, 2nd, and 3rd Normal Forms By Carlos Alvarado. [Link]

6. First 3 normal forms explained with an example. [Link]

7. Three Normal forms explained with an example. [Link]

8. Explaining normal forms with problems/issues with each normal form. [Link]

9. Example of normal forms in MS Excel format. [Link]

10. Functional Dependencies and Normalization. [Link]

11. Introduction to Database Design - General Design Considerations, Entity-Relationship Model, Tutorial, Normalization etc. [Link]

12. Microsoft: This article explains the basics of database normalization terminology. A basic understanding of this terminology is helpful when discussing the design of a relational database. [Link]

13. Find out what normalization is and how your database can benefit from it (or suffer from it). Learn the advantages, disadvantages, and some techniques and guidelines to doing it yourself. [Link]