UpdateStatistics méthode (StatisticsScanType, Int32)
Updates statistics for the referenced index with the specified statistics scan type and specified sample size.
Espace de noms : Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (dans Microsoft.SqlServer.Smo.dll)
Syntaxe
'Déclaration
Public Sub UpdateStatistics ( _
scanType As StatisticsScanType, _
sampleValue As Integer _
)
'Utilisation
Dim instance As Index
Dim scanType As StatisticsScanType
Dim sampleValue As Integer
instance.UpdateStatistics(scanType, sampleValue)
public void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue
)
public:
void UpdateStatistics(
StatisticsScanType scanType,
int sampleValue
)
member UpdateStatistics :
scanType:StatisticsScanType *
sampleValue:int -> unit
public function UpdateStatistics(
scanType : StatisticsScanType,
sampleValue : int
)
Paramètres
- scanType
Type : Microsoft.SqlServer.Management.Smo. . :: . .StatisticsScanType
A StatisticsScanType the method used to update the statistics.
- sampleValue
Type : System. . :: . .Int32
An Int32 value that specifies the sample size.
Notes
[!REMARQUE]
Indexes based partly on the UserDefinedTableType object do not support statistics and running this method will generate an exception.
Voir aussi