通过

Index.UpdateStatistics Method (StatisticsScanType, Int32, Boolean)

  • 项目

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

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
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
)

参数

  • 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.

备注

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

示例

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

线程安全

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

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

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

其他资源

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