Поделиться через


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.

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Синтаксис

'Декларация
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
)

Параметры

  • 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.

Замечания

Это пространство имен, класс или элемент поддерживаются только платформой Microsoft .NET Framework версии 2.0.

Пример

How to: Create, Alter, and Remove a Table in Visual Basic .NET

How to: Create, Alter, and Remove a View in Visual Basic .NET

Синхронизация потоков

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.

Платформы

Платформы разработки

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

Целевые платформы

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

См. также

Справочник

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

Другие ресурсы

Working with Database Objects
Таблицы
Представления (компонент Database Engine)
CREATE TABLE (Transact-SQL)
CREATE VIEW (Transact-SQL)
UPDATE STATISTICS (Transact-SQL)