Good point, Dan. 

If using SCN to flashback then it's a non-issue.

Avoid using date/time stamp to flashback during that 1 hour period. 
Or find out the SCN from SYS.SMON_SCN_TIME table closest to the past time, and use it 
to
flashback. 

- Kirti  

--- Daniel Fink <[EMAIL PROTECTED]> wrote:
> Another thought for 9i...how would a time change impact flashback query?
> 
> Daniel Fink
> david davis wrote:
> 
> > Another issue might be related to doing time-based recovery. Oracle has a
> > couple of notes on metalink related to changing server time and database
> > impact.
> >
> > Note:1013279.6 - HOW DOES DAYLIGHT SAVINGS TIME AFFECT THE DATABASE?
> > Note:77370.1 - What are the effects of changing the system clock on an
> > Oracle Server instance?
> >
> > >From: Stephane Faroult <[EMAIL PROTECTED]>
> > >Reply-To: [EMAIL PROTECTED]
> > >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> > >Subject: Re: Effect on Oracle of changing server time from EST to GMT
> > >Date: Thu, 16 Oct 2003 15:04:40 -0800
> > >
> > >Well, some jobs (including snapshot refreshes) may get confused, and if
> > >you create or alter objects I wonder how Oracle may handle dependencies
> > >... Fortunately you are moving 5 hours ahead, rather than back, so risks
> > >are probably quite limited.
> > >
> > >--
> > >Regards,
> > >
> > >Stephane Faroult
> > >Oriole Software


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