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Power BI for Beginners

Relationships, Keys, and Best Practices

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A data model is only as good as its relationships. In this chapter, you'll build the connections between all your Summit Gear tables in Power BI's Model View, turning separate tables into a unified, queryable model. You'll learn the difference between primary and foreign keys, how one-to-many relationships work, and why cross-filter direction matters.

1. You drag CustomerID from the Customers table to CustomerID in the Sales table to create a relationship. One customer can have many orders. What type of relationship is this?

2. In a relationship between two tables, what does "cross filter direction: Single" mean?

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You drag CustomerID from the Customers table to CustomerID in the Sales table to create a relationship. One customer can have many orders. What type of relationship is this?

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In a relationship between two tables, what does "cross filter direction: Single" mean?

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Abschnitt 3. Kapitel 2
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