raman sharma

• Mar 2nd, 2012

 

normal are of five type

1) 1 normal form
2) 2 normal form
3) 3 normal form
4) 4 normal form
5) 5 normal form

all normal are created to connected a table with each other and data are retrieve very easy which we want to access the data that called normal form

disadvantage in older normal form but at that 5 normal form remove the all disadvantage of older normal form that a normal form