Index.UpdateStatistics Method (StatisticsScanType, Int32, Boolean)

  • 發行項

Updates statistics for the referenced index with the specified statistics scan type and specified sample size and with the option to recompute the statistics.

命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

語法

'宣告
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
)

參數

  • 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.

備註

只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。

範例

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

執行緒安全性

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.

平台

開發平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

目標平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

請參閱

參考

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

其他資源

Creating, Altering, and Removing Indexes
索引
UPDATE STATISTICS (Transact-SQL)