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Dimensions (MDX)

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Returns a hierarchy specified by a numeric or string expression.

Syntax

Numeric expression syntax
Dimensions(Hierarchy_Number)

String expression syntax
Dimensions(Hierarchy_Name)

Arguments

  • Hierarchy_Number
    A valid numeric expression that specifies a hierarchy number.
  • Hierarchy_Name
    A valid string expression that specifies a hierarchy name

Remarks

If a hierarchy number is specified, the Dimensions function returns a hierarchy whose zero-based position within the cube is specified hierarchy number.

If a hierarchy name is specified, the Dimensions function returns the specified hierarchy. Typically, you use this string version of the Dimensions function with user-defined functions.

Note

The Measures dimension is always represented by Dimensions(0).

Examples

The following examples use the Dimensions function to return the name, count of levels, and count of members of a specified hierarchy, using both a numeric expression and a string expression.

WITH MEMBER Measures.x AS Dimensions
   ('[Product].[Product Model Categories]').Name
SELECT Measures.x on 0
FROM [Adventure Works]

WITH MEMBER Measures.x AS Dimensions
   ('[Product].[Product Model Categories]').Levels.Count
SELECT Measures.x on 0
FROM [Adventure Works]

WITH MEMBER Measures.x AS Dimensions
   ('[Product].[Product Model Categories]').Members.Count
SELECT Measures.x on 0
FROM [Adventure Works]

WITH MEMBER Measures.x AS Dimensions(0).Name
SELECT Measures.x on 0
FROM [Adventure Works]

WITH MEMBER Measures.x AS Dimensions(0).Levels.Count
SELECT measures.x on 0
FROM [Adventure Works]

WITH MEMBER Measures.x AS Dimensions(0).Members.Count
SELECT measures.x on 0
FROM [Adventure Works]

See Also

Reference

MDX Function Reference (MDX)

Help and Information

Getting SQL Server 2005 Assistance

Change History

Release History

17 July 2006
Changed content:
  • Updated syntax and arguments to improve clarity.
  • Added updated examples.