Unlike multidimensional data sources, relational data
sources
don’t have built in hierarchies. However, often relational data
sources have related dimensions that have an inherent hierarchy.
For example, a data source may have fields for Country, State, and City.
These fields could be grouped into a hierarchy called Location. You can
assemble relational hierarchies by dragging and dropping in the Data
window.
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Drag a field in the Data window and drop it directly on top of another field.
When you want to create a hierarchy from a field inside a folder, right-click the field and then select Create Hierarchy instead.
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When prompted, type a name for the relational hierarchy and click OK.
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Drag any additional fields into the hierarchy. You can also re-order fields in the hierarchy by dragging them to a new position.
Hierarchies
support single click navigation up and down the levels. When you
use the fields in the view, a plus button displays on the field
so you can drill down and up in the hierarchy.
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