>1. Table.Insert (via SP which has DML)
>2. Table.RefreshKeys (AutoFetchAll is False)
>3. Table.Last
>Is that the appropriate and fastest way to perform it?

I don't know.

>Is there anything faster available?

Just make sure you have a descending index for whatever you are sorting on
(if not it has to go through the entire dataset to find which record is the
last one).

Set