Power BI Cardinality Explained | One-to-Many, Many-to-One, Many-to-Many Simplified!

Unlock the secrets of data relationships in Power BI! In this video, we dive deep into Cardinality — what it is, why it matters, and how to use it correctly when building your Power BI data models.

Learn the difference between:

One-to-One (1:1)

One-to-Many (1:* or *:1)

Many-to-Many (:)

💡 Discover how incorrect cardinality can break your visuals and how Power BI auto-detects relationships.

✅ Perfect for beginners and intermediate Power BI users!
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