TableViewBase.UpdateStatistics Method (StatisticsTarget, StatisticsScanType, Int32, Boolean)
Updates the statistics for the table or view with the option to specify the target, the type of scan performed, the sample size, and whether 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 ( _
affectType As StatisticsTarget, _
scanType As StatisticsScanType, _
sampleValue As Integer, _
recompute As Boolean _
)
public void UpdateStatistics (
StatisticsTarget affectType,
StatisticsScanType scanType,
int sampleValue,
bool recompute
)
public:
void UpdateStatistics (
StatisticsTarget affectType,
StatisticsScanType scanType,
int sampleValue,
bool recompute
)
public void UpdateStatistics (
StatisticsTarget affectType,
StatisticsScanType scanType,
int sampleValue,
boolean recompute
)
public function UpdateStatistics (
affectType : StatisticsTarget,
scanType : StatisticsScanType,
sampleValue : int,
recompute : boolean
)
参数
- affectType
A StatisticsTarget object value that specifies the target of the statistics update, such as columns or indexes.
- scanType
A StatisticsScanType object value that specifies the way in which statistical information is gathered.
- sampleValue
An Int32 value that specifies the sample size. The units are dependent on the scan type.
recompute
A Boolean value that specifies whether to recompute the statistics.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, Alter, and Remove a Table in Visual Basic .NET
How to: Create, Alter, and Remove a View 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
TableViewBase Class
TableViewBase Members
Microsoft.SqlServer.Management.Smo Namespace
其他资源
Working with Database Objects
表
视图(数据库引擎)
CREATE TABLE (Transact-SQL)
CREATE VIEW (Transact-SQL)
UPDATE STATISTICS (Transact-SQL)