Column.UpdateStatistics Method (StatisticsScanType, Int32)

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

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 _
)
public void UpdateStatistics (
    StatisticsScanType scanType,
    int sampleValue
)
public:
void UpdateStatistics (
    StatisticsScanType scanType, 
    int sampleValue
)
public void UpdateStatistics (
    StatisticsScanType scanType, 
    int sampleValue
)
public function UpdateStatistics (
    scanType : StatisticsScanType, 
    sampleValue : int
)

参数

  • 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.

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, Alter, and Remove a Table 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

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

其他资源

UPDATE STATISTICS (Transact-SQL)
索引统计信息
Working with Database Objects