DistinctCount (MDX)
Devuelve el número de tuplas distintas y no vacías de un conjunto.
Sintaxis
DistinctCount(Set_Expression)
Argumentos
- Set_Expression
Expresión MDX válida que devuelve un conjunto.
Comentarios
La función DistinctCount es equivalente a Count(Distinct(Set_Expression), EXCLUDEEMPTY).
Ejemplos
La consulta siguiente muestra el modo de usar la función 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].&[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]