The primary key on table EMP is the EMPNO column. Which of the following statements will not use the associated index on EMPNO?
select * from EMP where nvl(EMPNO, '00000') = '59384';
select * from EMP where EMPNO = '59384';
select EMPNO, LASTNAME from EMP where EMPNO = '59384';
select 1 from EMP where EMPNO = '59834';