Partilhar via

  • Artigo

Método EnumStatistics

Enumerates a list of statistical information for the index.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)

Sintaxe

'Declaração
Public Function EnumStatistics As DataSet
'Uso
Dim instance As Index
Dim returnValue As DataSet

returnValue = instance.EnumStatistics()

public DataSet EnumStatistics()

public:
DataSet^ EnumStatistics()

member EnumStatistics : unit -> DataSet 

public function EnumStatistics() : DataSet

Valor de retorno

Tipo: System.Data. . :: . .DataSet
A DataSet system object value that contains an enumerated list of statistical information. The DataSet contains a set of DataTable objects, which contain the following columns:

Column

Data type

Description

RANGE_ROWS

Int32

The estimated number of rows from the table that fall within a histogram step, excluding the upper bound.

EQ_ROWS

Int32

The estimated number of rows from the table that are equal in value to the upper bound of the histogram step.

DISTICT_RANGE_ROWS

Int32

The estimated number of distinct values within a histogram step, excluding the upper bound.

RANGE_HI_KEY

Int32

The upper bound value of a histogram step.

Comentários

ObservaçãoObservação

Indexes based on the UserDefinedTableType object do not support statistics and running this method will generate an exception.