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.