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Updates statistics for the referenced index with the specified statistics scan type and specified sample size and with the option to recompute the statistics.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)
Sintaxe
'Declaração
Public Sub UpdateStatistics ( _
scanType As StatisticsScanType, _
sampleValue As Integer, _
recompute As Boolean _
)
'Uso
Dim instance As Index
Dim scanType As StatisticsScanType
Dim sampleValue As Integer
Dim recompute As Boolean
instance.UpdateStatistics(scanType, sampleValue, _
recompute)
public void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue,
bool recompute
)
public:
void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue,
bool recompute
)
member UpdateStatistics :
scanType:StatisticsScanType *
sampleValue:int *
recompute:bool -> unit
public function UpdateStatistics(
scanType : StatisticsScanType,
sampleValue : int,
recompute : boolean
)
Parâmetros
- scanType
Tipo: Microsoft.SqlServer.Management.Smo.StatisticsScanType
A StatisticsScanType that specifies the method used to update the statistics.
- sampleValue
Tipo: System.Int32
An Int32 value that specifies the sample value.
- recompute
Tipo: System.Boolean
A Boolean value that specifies whether to recomputed the index statistics or not.If True, the statistics are recomputed. Otherwise, False.
Comentários
Observação |
|---|
Indexes based partly on the UserDefinedTableType object do not support statistics and running this method will generate an exception. |
Exemplos
Criando, alterando e removendo índices
Consulte também
Referência
Sobrecarregado UpdateStatistics
Namespace Microsoft.SqlServer.Management.Smo
Observação