Here is code which has been suggested: I need the incremental value of log_seqno. How to compute vr_seqno incrementally.
ffhand i think this would do it in a single shot, but i'm looking for my friend Sean's matching post to be sure:
set log_seqno = vr_seqno
row_number() over (order by log_id,log_timestamp_dt) AS vr_seqno,
where log_timestamp_dt between '2010-01-01 00:00:00.000' and '2010-02-28 00:00:00.000'
where log_id = MyData.log_id;