Blank Rows and DAX

Alberto Ferrari explains how different DAX functions treat blank rows differently:

DAX offers two functions to retrieve the list of values of a column: VALUES and DISTINCT. The difference between the two is subtle. To understand it better, we first need to introduce the concept of the blank row. The blank row is a special row added to a table, in case the table is on the one-side of a strong relationship and the relationship is invalid. Let us elaborate on this.

Click through for the detailed explanation, along with plenty of examples.

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