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Type Element (MiningStructureColumn) (ASSL)

Contains the type of the MiningStructureColumn element.

Sintassi

<MiningStructureColumn>
   ...
   <Type>...</Type>
   ...
</MiningStructureColumn>

Element Characteristics

Characteristic Description

Data type and length

String (enumeration)

Default value

None

Cardinality

1-1: Required element that occurs once and only once.

Element Relationships

Relationship Element

Parent element

MiningStructureColumn

Child elements

None

Osservazioni

The value of this element is limited to one of the strings listed in the following table.

Value

Description

Long

A 64-bit signed integer. This data type maps to the Int64 data type in the Microsoft .NET Framework and the DBTYPE_I8 data type in OLE DB.

Boolean

A Boolean value. This data type maps to the Boolean data type in the .NET Framework and the DBTYPE_BOOL data type in OLE DB.

Text

A null-terminated stream of Unicode characters. This data type maps to the String data type in the .NET Framework and the DBTYPE_WSTR data type in OLE DB.

Double

A double-precision floating point number within the range -1.79E +308 through 1.79E +308. This data type maps to the Double data type in the .NET Framework and the DBTYPE_R8 data type in OLE DB.

Date

Date data, stored as a double-precision floating point number. The whole portion is the number of days since December 30, 1899, while the fractional portion is a fraction of a day. This data type maps to the DateTime data type in the .NET Framework and the DBTYPE_DATE data type in OLE DB.

Table

A nested table. This data type maps to the DBTYPE_HCHAPTER data type in OLE DB.

ms128484.note(it-it,SQL.90).gifNota:

Table columns in the .NET Framework do not have an equivalent intrinsic data type, but are instead supported by the DataReader class.

The enumeration that corresponds to the allowed values for Type in the Analysis Management Objects (AMO) object model is MiningStructureColumnTypes.

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

Vedere anche

Riferimento

Properties (ASSL)

Guida in linea e informazioni

Assistenza su SQL Server 2005