Boniface Muchendu handles a many-to-many relationship:
Many-to-many relationships in Power BI are one of the most frequent challenges faced by new and intermediate users. These relationships can cause incorrect totals in visuals, confusing results, and slower report performance. In this guide, we’ll explore what many-to-many relationships in Power BI are, why they’re problematic, and how to fix them using the most effective methods available.
Click through for an enumeration of the problem as well as a couple of ways to resolve it.