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Column Element for Index (DTA)

Specifies the columns on which the index is created for a user-specified configuration.


<Create>
  <Index>
    <Name>...</Name>
    <Column [Type | SortOrder]>
     ...code removed here...
     </Column>

Column Attribute Description

Type

Optional. Specifies the index column type. Use a string data type to specify this attribute with one of the following allowed values:

KeyColumn
Specifies that the column is referenced by an index key. Use the following syntax to set this attribute:
<Column Type="KeyColumn">
For more information about key columns, see Index Basics.
IncludedColumn
Specifies that the column is an included column (instead of a key column). Use the following syntax to set this attribute:
<Column Type="IncludedColumn">
For more information about included columns, see Index with Included Columns.
Allowed Value Description

SortOrder

Optional. Specifies the sorting order of the column. Use a string data type to specify either an "Ascending" or "Descending" sorting order as follows:

<Column SortOrder="Ascending">

Characteristic Description

Data type and length

None.

Default value

None.

Occurrence

Can specify up to 1024 columns for the Index element.

Relationship Elements

Parent element

Index Element (DTA)

Child elements

Name Element for Column (DTA)

For a usage example of this element, see the XML Input File Sample with User-specified Configuration (DTA).

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