Updates any Index object property changes on the instance of SQL Server.
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
The Alter method updates any changes that have been made to the Index object's properties 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. Running this method will generate an exception.