Metodo TableViewBase.UpdateStatistics (StatisticsTarget, StatisticsScanType, Int32)
Updates the statistics for the table or view with the option to specify the target, the type of scan performed, and the sample size.
Spazio dei nomi Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Sintassi
'Dichiarazione
Public Sub UpdateStatistics ( _
affectType As StatisticsTarget, _
scanType As StatisticsScanType, _
sampleValue As Integer _
)
'Utilizzo
Dim instance As TableViewBase
Dim affectType As StatisticsTarget
Dim scanType As StatisticsScanType
Dim sampleValue As Integer
instance.UpdateStatistics(affectType, _
scanType, sampleValue)
public void UpdateStatistics(
StatisticsTarget affectType,
StatisticsScanType scanType,
int sampleValue
)
public:
void UpdateStatistics(
StatisticsTarget affectType,
StatisticsScanType scanType,
int sampleValue
)
member UpdateStatistics :
affectType:StatisticsTarget *
scanType:StatisticsScanType *
sampleValue:int -> unit
public function UpdateStatistics(
affectType : StatisticsTarget,
scanType : StatisticsScanType,
sampleValue : int
)
Parametri
- affectType
Tipo: Microsoft.SqlServer.Management.Smo.StatisticsTarget
A StatisticsTarget object value that specifies the target of the statistics update, such as columns or indexes.
- scanType
Tipo: Microsoft.SqlServer.Management.Smo.StatisticsScanType
A StatisticsScanType object value that specifies the way in which statistical information is gathered.
- sampleValue
Tipo: System.Int32
An Int32 value that specifies the sample size. The units are dependent on the scan type.
Esempi
Utilizzo degli oggetti di database
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Management.Smo