Database Normalization

规范化转换数据库，以第一，第二，第三，BC范式

Database Normalization: you can convert your Database to:

1- First normal form

2- Second normal form

3- Third normal form

4- Boyce–Codd normal form

for more Example download doc file from:

https://drive.google.com/open?id=0B119lQw7UPlkOFNBWTUzR2hjM1E