Considering the cube aggregation Roll-up

C: Course

T: Teacher

CH: Credit Hour

Week1	C1	C2	C3	Week2	C1	C2	C3
T1	2	1	1	T1	3	1	3
T2	1	4	6	T2		5
T3		5	2	T3	4		6
T4	1	2	1	T4	3	2	1
Week3	C1	C2	C3	Week4	C1	C2	C3
T1		5	2	T1	2	3	4
T2	1		2	T2	1		1
T3		1	1	T3	2	3
T4	5	2		T4		5	6

1. Apply the approach MOLAP and give the correspondence of:

1. CH(Week4,C3, T4)
2. CH(*,C2,T3)
3. CH(*, C1,*)
4. CH(*,*,T2)
5. CH(*,*,*)