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Microsoft® SQL Server® 2008 MDX Step by Step by C Ryan Clay Bryan C Smith and Hitachi Consulting

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Navigating within a Level

Navigation, as explored so far, has been heavily focused on the relationships between members of differing levels. Ancestor and descendant relatives are obvious examples of this, but even cousins and siblings are identified based on their position relative to a member in a higher level of the hierarchy.

When the order of the members within a level of a hierarchy is meaningful without regard to relationships with the members of higher levels, you can navigate the members of a level without regard for their positions relative to members of higher levels. This is loosely referred to as horizontal navigation (as opposed to vertical navigation, which implies movement between levels).

Table 8-5 identifies the horizontal navigation ...

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