APPROXIMATEDISTINCTCOUNT DAX Function

Syntax  

Counts the approximate number of distinct values in a column. Currently this function is only available on a DirectQuery table from Azure SQL or Azure SQL Data Warehouse.

Syntax

APPROXIMATEDISTINCTCOUNT ( <ColumnName> )
Parameter Attributes Description
ColumnName

The column for which the distinct values are counted.

Last update: Feb 25, 2019   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation: https://docs.microsoft.com/en-us/dax/approximate-distinctcount-function-dax

DAX Conventions
Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Iterator
Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Deprecated

This parameter is deprecated and its use is not recommended.

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