Figuer: (Oracle) CREATE DIMENSION StoreDim

Figuer: (Oracle)
CREATE DIMENSION StoreDim
LEVEL StoreID IS Store. StoreID
LEVEL City IS Store. StoreCity
LEVEL State IS Store. StoreState
LEVEL Zap IS Store.StoreZip
LEVEL Nation IS Store. StoreNation
LEVEL DivID IS Division. DivID
HIERARCHY CityRollup (
StoreID CHILD OF
City CHILD OF
State CHILD OF
Nation )
HIERARCHY ZipRollup
StoreID CHILD OF
Zip CHILD OF
State CHILD OF
Nation )
HIERARCHY DivisionRollup (
StoreID CHILD OF
DivID
JOIN KEY Store.DivID REFERENCES DivID )
ATTRIBUTE DivID DETERMINES Division. DivName
ATTRIBUTE DivID DETERMINES Division. DivManager;
-The dimension StoreDim contains how many hierarchies?

A) 1
B) 3
C) 6
D) None of the above