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Finding Duplicates in DAX

A prerequisite for creating a relationship in Tabular/Power Pivot is to have a primary key column in the table on the One side of the relationship. This column must have unique values. If it doesn't, the relationship won't get created and you'll get an error that the both tables have duplicate keys. If you have a relatively large table, it might be difficult to find the duplicates.

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Tags: design, dax, tabular

 

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