Index::Alter Method (IndexOperation)


Updates any Index object property changes on the instance of SQL Server for a specified index operation.

Namespace:   Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

void Alter(
	IndexOperation operation


Type: Microsoft.SqlServer.Management.Smo::IndexOperation

An IndexOperation object value that specifies the index operation that can be altered.

The Alter method updates any changes that have been made to the properties of the Index object since the Index 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.


Indexes based on the UserDefinedTableType object cannot be modified and running this method will generate an exception.

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