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Column.UpdateStatistics Method (StatisticsScanType, Int32, Boolean)

  • Artigo

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
)

Parameters

  • 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.

Remarks

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

Example

How to: Create, Alter, and Remove a Table 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

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

See Also

Reference

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

Other Resources

UPDATE STATISTICS (Transact-SQL)
Index Statistics
Working with Database Objects