Metodo Index.UpdateStatistics (StatisticsScanType, Int32)
Updates statistics for the referenced index with the specified statistics scan type and specified sample size.
Spazio dei nomi Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Sintassi
'Dichiarazione
Public Sub UpdateStatistics ( _
scanType As StatisticsScanType, _
sampleValue As Integer _
)
'Utilizzo
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
)
Parametri
- scanType
Tipo: Microsoft.SqlServer.Management.Smo.StatisticsScanType
A StatisticsScanType the method used to update the statistics.
- sampleValue
Tipo: System.Int32
An Int32 value that specifies the sample size.
Osservazioni
[!NOTA]
Indexes based partly on the UserDefinedTableType object do not support statistics and running this method will generate an exception.
Esempi
Creazione, modifica e rimozione di indici
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Management.Smo