Метод Column.UpdateStatistics (StatisticsScanType, Int32, Boolean)

Статья
04/26/2013

Updates Statistic objects that monitor this column using a sampled scan.

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (в Microsoft.SqlServer.Smo.dll)

Синтаксис

'Декларация
Public Sub UpdateStatistics ( _
    scanType As StatisticsScanType, _
    sampleValue As Integer, _
    recompute As Boolean _
)
'Применение
Dim instance As Column 
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
)

Параметры

scanType
Тип: Microsoft.SqlServer.Management.Smo.StatisticsScanType
A StatisticsScanType object value that specifies the type operation to perform during the creation or update of a Statistic object.

sampleValue
Тип: System.Int32
An Int32 value that specifies the number of rows or percentage of the total number of rows to use in a sampled scan. This parameter is required only when the scanType indicates a sampled scan.

recompute
Тип: System.Boolean
A Boolean value that specifies whether the statistics will be automatically recomputed or not.If True, the statistics are automatically recomputed. Otherwise, False.