Select count (____ ID)from teacheswhere semester = ’Spring’ and year = 2010;If we do want to eliminate duplicates, we use the keyword ______in the aggregate expression.

Select count (____ ID)from teacheswhere semester = ’Spring’ and ye

1.	Select count (____ ID)from teacheswhere semester = ’Spring’ and year = 2010;If we do want to eliminate duplicates, we use the keyword ______in the aggregate expression.
A.	Distinct
B.	Count
C.	Avg
D.	Primary key
Answer» B. Count