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.
Espace de noms: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)
Syntaxe
'Déclaration
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
)
Paramètres
- 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.
Notes
Cet espace de noms, cette classe ou ce membre est pris en charge uniquement par la version 2.0 de Microsoft .NET Framework.
Exemple
How to: Create, Alter, and Remove a Table in Visual Basic .NET
How to: Create, Alter, and Remove a View in Visual Basic .NET
Sécurité des threads
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.
Plateformes
Plateformes de développement
Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.
Plateformes cibles
Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.
Voir aussi
Référence
TableViewBase Class
TableViewBase Members
Microsoft.SqlServer.Management.Smo Namespace
Autres ressources
Working with Database Objects
Tables
Vues (moteur de base de données)
CREATE TABLE (Transact-SQL)
CREATE VIEW (Transact-SQL)
UPDATE STATISTICS (Transact-SQL)