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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Highwater mark for tablespace and table
RMAN does not backup NEVER USED blocks in 9i. In your case those blocks are not NEVER USED, they have been used before, so it backs them up.
-----Original Message-----
From: hrishy [mailto:hrishys_at_yahoo.co.uk]
Sent: Wednesday, August 29, 2007 12:31 PM
To: Yasin Baskan; oracle-l_at_freelists.org
Subject: RE: Highwater mark for tablespace and table
Hi
Thanks again
One more question if we truncate a table then the higwater mark of that table gets reset but what happens to highwater mark of the datafile
I am aksing this in relation to RMAN in 9i
when i backup a datafile in which i had truncated a table rman does not reduce the size of the backed up datafile the size of the backedup datafile still the same before the truncate operation was carried out
Like
BACKUP DATAFILE myfile1
size of backupfile is 1Gb
I truncate the 500Mb table
and then again i backup the datafile
BACKUP DATAFILE myfile1
size of the backupfile is still 1gb
regards
Hrishy
regards
Hrishy
>
>
> They are the same as a concept, they define the
> maximum used space of a
> table or a datafile.
>
> -----Original Message-----
> From: hrishy [mailto:hrishys_at_yahoo.co.uk]
> Sent: Wednesday, August 29, 2007 12:19 PM
> To: Yasin Baskan; oracle-l_at_freelists.org
> Subject: RE: Highwater mark for tablespace and table
>
> Hi Yasin
>
> Thankf or the reply
>
> I meant does the high water mark of the tables and
> the
> datafiles are they same or different
>
> regards
> Hrishy
> --- Yasin Baskan <yasin.baskan_at_yapikredi.com.tr>
> wrote:
>
> >
> >
> > In what way?
> >
> > Tablespaces do not have highwatermarks, datafiles
> of
> > the tablespace
> > have.
> >
> >
> > -----Original Message-----
> > From: oracle-l-bounce_at_freelists.org
> > [mailto:oracle-l-bounce_at_freelists.org] On Behalf
> Of
> > hrishy
> > Sent: Wednesday, August 29, 2007 10:18 AM
> > To: oracle-l_at_freelists.org
> > Subject: Highwater mark for tablespace and table
> >
> > Hi
> >
> > Is the higwater mark for a tablespace and a table
> > different ?
> >
> > regards
> > Hrishy
> >
> >
> >
> >
>
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-- http://www.freelists.org/webpage/oracle-lReceived on Wed Aug 29 2007 - 05:36:34 CDT
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