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DataItem Data Type (ASSL)

Defines a primitive data type that represents the data-related characteristics of a data item, such as a column or attribute.


<DataItem>
   <DataType>...</DataType>
   <DataSize>...</DataSize>
   <MimeType>...</MimeType>
   <NullProcessing>...</NullProcessing>
   <Trimming>...</Trimming>
   <InvalidXmlCharacters>...</InvalidXmlCharacters>
      <Collation>...</Collation>
   <Format>...</Format>
   <Source>...</Source>
   <Annotations>...</Annotations>
</DataItem>

Characteristic

Description

Base data types

None

Derived data types

None

Relationship

Element

Parent elements

None

Child elements

Annotations, Collation, DataSize, DataType, Format, InvalidXmlCharacters, MimeType, NullProcessing, Source, Trimming

Derived elements

See the table in Remarks.

The DataItem data type is used for any data item that can be bound; for example, a measure, attribute key, and attribute name. The details that are relevant, and the defaults that apply, depend on the usage; for example, attribute names must be strings.

An instance of Microsoft SQL Server Analysis Services accepts only a certain set of data types. Use of other data types results in an error, rather than an implicit conversion to one of the valid types.

The following table lists elements of type DataItem.

Parent Element

Element of type DataItem

Comments

AttributeTranslation

CaptionColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

DimensionAttribute

CustomRollupColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

DimensionAttribute

CustomRollupPropertiesColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

DimensionAttribute

KeyColumn

Source element of the DataItem must be of type ColumnBinding, AttributeBinding or TimeBinding

DimensionAttribute

NameColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

DimensionAttribute

SkippedLevelsColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

DimensionAttribute

UnaryOperatorColumn

Source element of the DataItem must be of type ColumnBinding or AttributeBinding

Measure

Source

Source element of the DataItem must be of type RowBinding, ColumnBinding, MeasureBinding, or CubeDimensionBinding

MeasureGroupAttribute

KeyColumn

Source element of the DataItem must be of type ColumnBinding, AttributeBinding or InheritedBinding

ScalarMiningStructureColumn

KeyColumn

Source element of the DataItem must be of type ColumnBinding

ScalarMiningStructureColumn

NameColumn

Source element of the DataItem must be of type ColumnBinding

TableMiningStructureColumn

ForeignKeyColumn

Source element of the DataItem must be of type ColumnBinding

The corresponding element in the Analysis Management Objects (AMO) object model is DataItem.

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