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With data loaded, the next step is to initiate meaningful relationships between these tables. Power Pivot facilitates this through a diagram view. By dragging the common field—director ID—from one table to the other, you establish a connection, indicated by a line. This relationship is classified as a one-to-many, highlighting the uniqueness of director IDs present in the directors' table compared to their potential multiple appearances in the movies table.
Constructing Pivot Tables from Multiple Sources
Once relationships are established, users can construct a pivot table that aggregates data from both movie and director tables. Pivot tables can be created directly from the Power Pivot window or by using the Insert tab in Excel and selecting "Pivot Table" from the data model.