Once the fast refresh has completed the records from
the mlog$ table should be deleted. This should happen
automatically as long as there aren't two snapshots
depending on the data. The high water mark on the
table will continue to grow which will cause your
refreshes to slow down over time. We had a job that
ran late at night that would select from the mlog$
table to see if there was data in it. If there wasn't
we would truncate the mlog$ table to reset the high
water mark.
james
--- Bala Muru <[EMAIL PROTECTED]> wrote:
> Hello Lists,
>
> I have a set of snapshots refreshing in FAST mode
> using snapshot logs. The snapshot log is keep-on
> growing as it should and after certain amount of
> time,
> I had to expand the tablespace space under which the
> snapshot log is located.
>
> My question is, Is there a way to periodically
> truncate or remove records from snapshot logs? Of
> course we can make something on our own by
> scheduling
> some delete jobs, but, Is there any default method
> available in Oracle?
>
> Any input would be highly appreciated.
>
> Thanks in advance,
> Muru
>
>
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