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09/24/2010

EnumStatistics 方法

Enumerates a list of statistical information for the index.

命名空間： Microsoft.SqlServer.Management.Smo
組件： Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public Function EnumStatistics As DataSet
'用途
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

傳回值

型別：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.