RE: unused blocks BELOW HWM

From: Deepak Thapliyal <deepakthapliyal_at_yahoo.com>
Date: Mon, 17 Dec 2001 18:20:46 -0800
Message-ID: <F001.003DEAEA.20011217180021@fatcity.com>

i would agree with suhen 100% on this .. as it pretty much covers everything on this ..

Deepak
--- Suhen Pather <Suhen.Pather_at_strandbags.com.au> wrote:
> Gene,
>
> I do not think you can do this with dbms_space.
>
> The way I normally try to locate if the HWM of a
> table is too high is:
>
> - analyze each table
> - use avg_row_len and num_rows columns from
> user_tables to calculate the
> Used Space (you can also put pctfree and pctused
> into this equation).
> - compare the Used Space to the HWM (allocated space
> - empty blocks -1)
> - If the Used Space and HWM are considerably
> different then you should
> recreate the table to save *wasted space*.
>
> I am sure this is not the most efficient way of
> doing this but it works for
> me.
>
> Regards
> Suhen
>
> are u saying try it or are you saying that you can
> find this info using dbms_space;)
>
> Thx
> Deepak
> --- "Sairlao, Chark" <SairlaoC_at_transfield.com.au>
> wrote:
> > try dbms_space
> >
> > Thanks And Regards
> > Chark Sairlao
> >
> >
> > -----Original Message-----
> > Sent: Tuesday, 18 December 2001 9:40
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > no there is not .. unless someone corrects me that
> > is
> > ;)
> >
> > Deepak
> >
> >
> > --- Gene Gurevich <g_u_r_e_v_i_c_h_at_yahoo.com>
> wrote:
> > > Hi all:
> > >
> > > Is there a way for me to see how many blocks
> under
> > > the HWM are unused?
> > >
> > > thanks
> > >
> > > Gene
> > >
>
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Suhen Pather
> INET: Suhen.Pather_at_strandbags.com.au
>
> Fat City Network Services -- (858) 538-5051 FAX:
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-- 
Author: Deepak Thapliyal
  INET: deepakthapliyal_at_yahoo.com

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Received on Mon Dec 17 2001 - 20:20:46 CST