DistinctCount (MDX)
Zwraca liczbę krotek odrębne, niepuste zestaw.
DistinctCount(Set_Expression)
Argumenty
- Set_Expression
Prawidłowe wyrażenie Multidimensional Expressions (MDX), która zwraca zestaw.
Remarks
The DistinctCount funkcja is equivalent to Count(Distinct(Set_Expression), EXCLUDEEMPTY).
Przykłady
Poniższa kwerenda przedstawia sposób korzystania z funkcja 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]