Column.UpdateStatistics Method (StatisticsScanType, Int32, Boolean)

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

Namespace: Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Syntax

'Declaration
Public Sub UpdateStatistics ( _
    scanType As StatisticsScanType, _
    sampleValue As Integer, _
    recompute As Boolean _
)

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

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

public void UpdateStatistics (
    StatisticsScanType scanType, 
    int sampleValue, 
    boolean recompute
)

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

Parameter

• scanType
  A StatisticsScanType object value that specifies the type operation to perform during the creation or update of a Statistic object.

• sampleValue
  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
  A Boolean value that specifies whether the statistics will be automatically recomputed or not.

  If True, the statistics are automatically recomputed.

  If False, no attempt is made to re-compute the statistics.

Hinweise

Der Namespace, die Klasse oder das Element wird nur in der Version 2.0 von Microsoft .NET Framework unterstützt.

Beispiel

How to: Create, Alter, and Remove a Table in Visual Basic .NET

Threadsicherheit

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Plattformen

Entwicklungsplattformen

Eine Liste der unterstützten Plattformen finden Sie unterHardware- und Softwareanforderungen für die Installation von SQL Server 2005.

Zielplattforme

Eine Liste der unterstützten Plattformen finden Sie unterHardware- und Softwareanforderungen für die Installation von SQL Server 2005.

Siehe auch

Verweis

Column Class
Column Members
Microsoft.SqlServer.Management.Smo Namespace

Andere Ressourcen

UPDATE STATISTICS (Transact-SQL)
Indexstatistiken
Working with Database Objects