What are the conditions for a database to be in second normal form?
1) It is in first normal form and all non-key attributes are fully functional dependent on the primary key
2) It is in first normal form and all non-key attributes are partially functional dependent on the primary key
3) It is in second normal form and all non-key attributes are fully functional dependent on the primary key
4) It is in second normal form and all non-key attributes are partially functional dependent on the primary key