DefaultMember Element (ASSL)

Contains a Multidimensional Expressions (MDX) expression that identifies the default member of the parent element.

<AttributePermission> <!-- or DimensionAttribute, ManyToManyMeasureGroupDimension, PerspectiveAttribute -->



Data type and length


Default value



0-1: Optional element that can occur once and only once.

The DefaultMember element defines the default member for the parent element. If DefaultMember is not specified or is set to an empty string, Microsoft SQL Server Analysis Services chooses a member to use as the default member.

For ManyToManyMeasureGroupDimension elements, the DefaultMember element contains an MDX expression that specifies a member in the dimension identified in the CubeDimensionID element of the ManyToManyMeasureGroupDimension. The MDX expression is similar to the StrToMember MDX function with the CONSTRAINED keyword, in that it cannot include MDX or user-defined functions.

For more information about default members, see Define a Default Member.

The elements that correspond to the parents of DefaultMember in the Analysis Management Objects (AMO) object model are AttributePermission, DimensionAttribute, and PerspectiveAttribute.

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