The aim of this page is to provide a glossary of common OLAP and data warehousing terms and expressions. This list is for all terms beginning with B

Balanced Hierarchy

In the image below we have a traditional level based hierarchy where each child has a parent at the next level up in the hierarchy. Therefore, as you go up and down each nod the depth is consistent. Although the number of children at each node may, and usually does, differ between nodes.

Base level data

See detail data.

Base measure

See measure.