DistinctCount (MDX)

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)noAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

Returns the number of distinct, nonempty tuples in a set.

Syntax


DistinctCount(Set_Expression)  

Arguments

Set_Expression
A valid Multidimensional Expressions (MDX) expression that returns a set.

Remarks

The DistinctCount function is equivalent to Count(Distinct(Set_Expression), EXCLUDEEMPTY).

Examples

The following query shows how to use the DistinctCount function:

WITH SET MySet AS

{[Customer].[Customer Geography].[Country].&[Australia],[Customer].[Customer Geography].[Country].&[Australia],

[Customer].[Customer Geography].[Country].&[Canada],[Customer].[Customer Geography].[Country].&[France],

[Customer].[Customer Geography].[Country].&[United Kingdom],[Customer].[Customer Geography].[Country].&[United Kingdom]}

*

{([Date].[Calendar].[Date].&[20010701],[Measures].[Internet Sales Amount] )}

//Returns the value 3 because Internet Sales Amount is null

//for the UK on the date specified

MEMBER MEASURES.SETDISTINCTCOUNT AS

DISTINCTCOUNT(MySet)

SELECT {MEASURES.SETDISTINCTCOUNT} ON 0

FROM [Adventure Works]

See Also

Count (Set) (MDX)
MDX Function Reference (MDX)