Hi Set,
looks like my reply to your message didn't show up!?
So this is a second attempt...

> Sounds like getting those 15 counter values may happen within the same
> transaction. No other transaction will be allowed to update that
> record until the transaction that did the update commits. Neither will
> those other transactions be allowed to update the record until they
> can see the most recent version (depending on transaction isolation).

Yes, it sounds a bit like that. But I am sure that every call for the
next counter value starts (and ends) a new transaction.

--Heiko