What is cube
Data cube is a method of data storage. The structure and the level of aggregation of the data is based on data analysis including the following operations:
- Slicing
reduction of a dimension to a subset with one single element - Dicing
reduction of a dimension to a subset with two or more elements - Drilling Down
movement of dimension hierarchies from the whole down to details - Drilling Up
movement of dimension hierarchies from details up to the whole
The output comprises aggregated facts classified by attribute.