Dim loCommand As New SqlCommand()
   '-- Create the command
   loCommand.CommandText = "SELECT MAX(or_created) FROM Orders WHERE or_cust_pk = @cust_pk"
   loCommand.Parameters.Add("@cust_pk", SqlDbType.Int)
   loCommand.Parameters("@cust_pk").Value = CustomerPK
My question is are the parameter-marker the same for Oracle as they are for SQL?  I know in the ADO.NET world it's a '?'