GENERIC RETAILER Observe the ER Diagram for the Generic Retailer

GENERIC RETAILER
Observe the ER diagram for the Generic Retailer:
Assume that the dimension PRODUCT containing the following columns:
ProductKey (surrogate key)
ProductID
ProductDescription
ProductBrandID
ProductBrandName
ProductCategoryID
ProductCategoryName
is created for the Generic Retailer.This dimension will be used for the following questions citing Generic Retailer PRODUCT dimension.
-A user using an OLAP query (based on the dimensionally modeled data set that contains the Generic Retailer dimension PRODUCT)can drill up from ProductBrandID to ProductCategoryID.