Many-to-Many


Optimize Many-to-Many Calculation in DAX with SUMMARIZE and Cross Table Filtering

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PowerPivot and Analysis Services 2012 Tabular do not support many-to-many (M2M) relationship directly in the data model. However, you can obtain the desired result from a many-to-many relationship by writing a DAX expression. For example, consider the classical M2M relationship between bank accounts and customers.