1nf- must have a primary key and no repeating groups 2nf- 1nf and no partial dependencies 3nf- 2nf and no transitive dependencies
1nf all key attributes are defined there are no repeating groups all attributes are dependent on primary key  2nf no partial dependencies  3nf no transitive dependencies
'Baggins is his name, but he's more than half a Brandybuck, they say.