Question 15 1 pts Which of the following is possible? O A table is in 3NF but not 1NF. O A table is in 1NF but not 3NF. O A table is in 3NF but not 2NF. O A table is in 2NF but not 1NF. Question 16 1 pts Which of the following is an important relational design principle O Every primary key must be a surrogate key. O Every determinant must be functionally dependent on the primary key. O A candidate key must not be a determinant. O Every determinant must be a candidate key