• Article

DistinctCount (MDX)

Retourne le nombre des différents tuples non vides d'un jeu.

Syntaxe

DistinctCount(Set_Expression)

Arguments

  • Set_Expression
    Expression MDX (Multidimensional Expressions) valide qui retourne un jeu.

Notes

La fonction DistinctCount est équivalente à Count(Distinct(Set_Expression), EXCLUDEEMPTY).

Exemples

La requête suivante montre comment utiliser la fonction DistinctCount :

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].&[1],[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]