KeyUniquenessGuarantee Element (ASSL)

Indicates whether the relationship between the attribute key and its name, and the relationship to related attributes, is guaranteed to be valid.

Синтаксис

<DimensionAttribute>
   ...
   <KeyUniquenessGuarantee>...</KeyUniquenessGuarantee>
   ...
</DimensionAttribute>

Element Characteristics

Characteristic	Description
Data type and length	Boolean
Default value	False
Cardinality	0-1: Optional element that can occur once and only once.

Element Relationships

Relationship	Element
Parent element	DimensionAttribute
Child elements	None

Замечания

Microsoft SQL Server 2005 Analysis Services (SSAS) uses the KeyUniquenessGuarantee element to optimize query construction when it retrieves members from the underlying data source for this attribute.

The element that corresponds to the parent of KeyUniquenessGuarantee in the Analysis Management Objects (AMO) object model is DimensionAttribute.

См. также

Справочник

Properties (ASSL)

Справка и поддержка

Получение помощи по SQL Server 2005