Metodo TableViewBase.UpdateStatistics (StatisticsTarget, StatisticsScanType, Int32, Boolean)

Articolo
04/26/2013

Updates the statistics for the table or view with the option to specify the target, the type of scan performed, the sample size, and whether to recompute the statistics.

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, _
    recompute As Boolean _
)
'Utilizzo
Dim instance As TableViewBase 
Dim affectType As StatisticsTarget 
Dim scanType As StatisticsScanType 
Dim sampleValue As Integer 
Dim recompute As Boolean

instance.UpdateStatistics(affectType, _
    scanType, sampleValue, recompute)

public void UpdateStatistics(
    StatisticsTarget affectType,
    StatisticsScanType scanType,
    int sampleValue,
    bool recompute
)

public:
void UpdateStatistics(
    StatisticsTarget affectType, 
    StatisticsScanType scanType, 
    int sampleValue, 
    bool recompute
)

member UpdateStatistics : 
        affectType:StatisticsTarget * 
        scanType:StatisticsScanType * 
        sampleValue:int * 
        recompute:bool -> unit

public function UpdateStatistics(
    affectType : StatisticsTarget, 
    scanType : StatisticsScanType, 
    sampleValue : int, 
    recompute : boolean
)

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.

recompute
Tipo: System.Boolean
A Boolean value that specifies whether to recompute the statistics.If True, the statistics are recomputed.If False, the statistics are not recomputed.