项目
12/14/2010

EnumStatistics 方法

Enumerates a list of statistical information for the index.

命名空间： Microsoft.SqlServer.Management.Smo
程序集： Microsoft.SqlServer.Smo（在 Microsoft.SqlServer.Smo.dll 中）

语法

声明
Public Function EnumStatistics As DataSet
用法
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

返回值

类型：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.