Index.EnumStatistics Method
Enumerates a list of statistical information for the index.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)
Syntax
'Deklaracja
Public Function EnumStatistics As DataSet
public DataSet EnumStatistics ()
public:
DataSet^ EnumStatistics ()
public DataSet EnumStatistics ()
public function EnumStatistics () : DataSet
Return Value
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 |
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. |
Remarks
Uwaga
Indexes based on the UserDefinedTableType object do not support statistics and running this method will generate an exception.
Thread Safety
Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Platforms
Development Platforms
For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.
Target Platforms
For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.
See Also