Relational and Multidimensional Data

In Tableau, multidimensional data sources are supported only in Windows.
The Data window for a relational and multidimensional data source are shown below. Note that the windows look essentially the same for both data sources in that the fields are organized into dimensions and measures. However, the multidimensional data source contains hierarchies for dimensions. For example, notice that the Product dimension in the multidimensional Data window contains hierarchical members such as Product Family, Product Department, and so on.
Relational Multidimensional
You can expand or collapse the various hierarchies in both relational and multidimensional Data windows by clicking the plus button. You can hide the Data window all together by clicking the minimize button in the upper right corner of the Data window.

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