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Metodo Database.UpdateIndexStatistics

Updates index statistics.

Spazio dei nomi  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Sintassi

'Dichiarazione
Public Sub UpdateIndexStatistics
'Utilizzo
Dim instance As Database

instance.UpdateIndexStatistics()
public void UpdateIndexStatistics()
public:
void UpdateIndexStatistics()
member UpdateIndexStatistics : unit -> unit
public function UpdateIndexStatistics()

Osservazioni

Because the tables in a database are accessed in a variety of queries, the distribution of data throughout a table can affect how successful an index is. By updating the index statistics, the most efficient way to access the data will be selected.

Esempi

VB

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server

'Reference the AdventureWorks2012 database.
Dim db As Database
db = srv.Databases("AdventureWorks2012")

'Update the index statistics on the database.
db.UpdateIndexStatistics()

PowerShell

$srv = new-Object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = New-Object Microsoft.SqlServer.Management.Smo.Database
$db = $srv.Databases.Item("AdventureWorks2012")

$db.UpdateIndexStatistics()

Vedere anche

Riferimento

Database Classe

Spazio dei nomi Microsoft.SqlServer.Management.Smo

Altre risorse

Utilizzo degli oggetti di database

UPDATE STATISTICS (Transact-SQL)

Creazione e aggiornamento delle statistiche

ALTER DATABASE (Transact-SQL)