What is Aggregate?
An aggregate is a subset of an InfoCube. The objective when using aggregates is to reduce I/O volume. The BW OLAP processor selects an appropriate aggregate during a query run or a navigation step. If no appropriate aggregate exists, the processor will retrieve data from the original InfoCube.
Wednesday, August 6, 2008
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment