What is a RAGGED
hierarchy?
Under normal circumstances, each level in a hierarchy in Microsoft SQL Server
2005 Analysis Services (SSAS) has the same number of members above it as any
other member at the same level. In a ragged hierarchy, the logical parent member
of at least one member is not in the level immediately above the member. When
this occurs, the hierarchy descends to different levels for different drilldown
paths. Expanding through every level for every drilldown path is then
unnecessarily complicated.
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