Index.UpdateStatistics Method (StatisticsScanType, Int32, Boolean)

Artikkeli
12/03/2008

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 (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
)

Parameters

scanType
A StatisticsScanType that specifies the method used to update the statistics.

sampleValue
An Int32 value that specifies the sample value.

recompute
A Boolean value that specifies whether to recomputed the index statistics or not.

If True, the statistics are recomputed.

If False, the statistics are not recomputed.

Remarks

This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.

Example

How to: Create a Non-Clustered, Composite Index in Visual Basic .NET

Thread Safety

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.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms