databases normalisation

Question 1

characteristics of first normal form

Answer 1

data is atomic , and has a primary key

Question 2

characteristis of second normal form

Answer 2

already in 1nf and every field is dependent on the primary key

Question 3

characteristics of 3rd normal form

Answer 3

it is already in 2nf and contains no attributes that depend on another attribute in the table (apart from the primary key)