keycolumn-element-assl.md

title	KeyColumn Element (ASSL) | Microsoft Docs
ms.custom
ms.date	03/15/2017
ms.prod	sql-server-2016
ms.reviewer
ms.suite
ms.technology	analysis-services docset-sql-devref
ms.tgt_pltfrm
ms.topic	reference
apiname	KeyColumn Element
apilocation	http://schemas.microsoft.com/analysisservices/2003/engine
apitype	Schema
applies_to	SQL Server 2016 Preview
f1_keywords	KeyColumn
helpviewer_keywords	KeyColumn element
ms.assetid	7b03eeb3-d478-4c38-822e-8cdfcc485039
caps.latest.revision	39
author	Minewiskan
ms.author	owend
manager	erikre

KeyColumn Element (ASSL)

Contains the definition of a column that is, or is part of, the key for an attribute.

Syntax

  
<KeyColumns>  
   <KeyColumn xsi:type="DataItem">...</KeyColumn>  
<KeyColumns>  

Element Characteristics

Characteristic	Description
Data type and length	DataItem
Default value	None
Cardinality	1-n: Required element that can occur more than once.

Element Relationships

Relationship	Element
Parent elements	KeyColumns
Child elements	None

Remarks

For more information about the DataItem type, including a table of Analysis Services Scripting Language (ASSL) objects and properties of the DataItem type, see DataItem Data Type (ASSL).

The elements that correspond to the parents of the KeyColumns collection in the Analysis Management Objects (AMO) object model are xref:Microsoft.AnalysisServices.AggregationInstanceAttribute, xref:Microsoft.AnalysisServices.DimensionAttribute, xref:Microsoft.AnalysisServices.MeasureGroupAttribute, and xref:Microsoft.AnalysisServices.ScalarMiningStructureColumn.

See Also

AggregationInstanceAttribute Data Type (ASSL)
AggregationInstanceCubeDimension Data Type (ASSL)
DimensionAttribute Data Type (ASSL)
MeasureGroupAttribute Data Type (ASSL)
ScalarMiningStructureColumn Data Type (ASSL)
Objects (ASSL)