Index.UpdateStatistics-Methode (StatisticsScanType, Int32)
Updates statistics for the referenced index with the specified statistics scan type and specified sample size.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
Public Sub UpdateStatistics ( _
scanType As StatisticsScanType, _
sampleValue As Integer _
)
'Usage
Dim instance As Index
Dim scanType As StatisticsScanType
Dim sampleValue As Integer
instance.UpdateStatistics(scanType, sampleValue)
public void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue
)
public:
void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue
)
member UpdateStatistics :
scanType:StatisticsScanType *
sampleValue:int -> unit
public function UpdateStatistics(
scanType : StatisticsScanType,
sampleValue : int
)
Parameter
- scanType
Typ: Microsoft.SqlServer.Management.Smo.StatisticsScanType
A StatisticsScanType the method used to update the statistics.
- sampleValue
Typ: System.Int32
An Int32 value that specifies the sample size.
Hinweise
.gif "Hinweis") Hinweis |
|---|
Indexes based partly on the UserDefinedTableType object do not support statistics and running this method will generate an exception. |
Beispiele
Erstellen, Ändern und Löschen von Indizes
Siehe auch
Verweis
Microsoft.SqlServer.Management.Smo-Namespace