Answer it
OLAP and data mining for a supermarket
4 marksYou mark it yourself against the marking points
A supermarket chain has a data warehouse holding three years of sales from all its stores.
(a) Outline how online analytical processing (OLAP) differs from online transaction processing (OLTP). [2]
(b) Describe two different kinds of pattern that data mining could find in this warehouse, and how the chain could use each one. [2]
[4]