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Metodo Column.Alter

Updates any Column object property changes on the instance of SQL Server.

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

Sintassi

'Dichiarazione
Public Sub Alter
'Utilizzo
Dim instance As Column

instance.Alter()
public void Alter()
public:
virtual void Alter() sealed
abstract Alter : unit -> unit  
override Alter : unit -> unit
public final function Alter()

Implementa

IAlterable.Alter()

Osservazioni

The Alter method updates any changes that have been made to the Column object's properties since the Column object was created or since the last Alter statement. The modifications are combined and sent to the instance of SQL Server in a single network trip to the instance of SQL Server.

[!NOTA]

Columns based on the UserDefinedTableType object cannot be modified and this method generates an exception.

Esempi

Utilizzo degli oggetti di database

Vedere anche

Riferimento

Column Classe

Spazio dei nomi Microsoft.SqlServer.Management.Smo

Altre risorse

ALTER TABLE (Transact-SQL)