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Home -> Community -> Mailing Lists -> Oracle-L -> OT Re-claiming the space from Table after deletion
Sure it wasn't
F = 9/5*C + 32 ?
Formulas are soooo comforting, aren't they?
;-)
-----Original Message-----
From: Morton, Ronald D [mailto:rdmorton_at_switch.com]
Sent: Monday, March 12, 2001 9:41 AM
To: Multiple recipients of list ORACLE-L
Subject: RE: RE[2]: Re-claiming the space from Table after deletion
I think, perhaps, he meant: PCTUSED = (100 - PCTFREE - 5)
Ron Morton
> -----Original Message-----
> From: Raghu Kota [SMTP:raghukota_at_hotmail.com]
> Sent: Monday, March 12, 2001 8:50 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: RE[2]: Re-claiming the space from Table after deletion
>
> Rafi
>
> Never cross PCTUSED + PCTFREE = 100%(Imporatant Rule), Ideally it should
> be
> below 75%. PCTUSED helps How your data is inseted?? If Insert oriented
> database, If your database is insert and Update oriendted You have to
> strike
> a balance between both of these parameters!!
>
>
> Raghu.
>
>
> >From: rafi_at_vsnl.net
> >Reply-To: ORACLE-L_at_fatcity.com
> >To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> >Subject: RE[2]: Re-claiming the space from Table after deletion
> >Date: Mon, 12 Mar 2001 02:30:20 -0800
> >
> >Do you mean that PCTUSED-100 & PCTFREE-5 will help utilise the
> >next extents more efficiently.
> >
> >Will PCTUSED affect only future blocks or existing ones too.
> >
> >Also, will increasing PCTUSED affect system speed?
> >
> >Kind regards,
> >Rafi
> >
> >ahillman_at_erols.com wrote
> >You are right. In this case my last point of increasing PCTUSED applies
> to
> >hole table
> >
> >Alex Hillman
> >
> > > -----Original Message-----
> > > From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of Raghu
> Kota
> > > Sent: Friday, March 09, 2001 1:18 PM
> > > To: Multiple recipients of list ORACLE-L
> > > Subject: RE: Re-claiming the space from Table after deleteion
> > >
> > >
> > > Mr Alex
> > >
> > > You overlooked imp point that is oracle 7.3
> > >
> > >
> > > >From: "Alex Hillman" <ahillman_at_erols.com>
> > > >Reply-To: ORACLE-L_at_fatcity.com
> > > >To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> > > >Subject: RE: Re-claiming the space from Table after deleteion
> > > >Date: Fri, 09 Mar 2001 08:45:57 -0800
> > > >
> > > >First of all, as Joe Testa said - if you partitioned this table by
> date
> >-
> > > >let say one partition per month - you can truncate partitions that
> you
> > > >don't
> > > >need anymore. Second - if this option is not available - let say that
>
> >you
> > > >need delete most but not all records from specific partition - you
> can
> > > >create temporary table, select into this table all records that
> > > should not
> > > >be deleted, truncate partition and then select into partition all
> >records
> > > >from temporary table. And last case - if you need to delete let
> > > say 30-50%
> > > >of the recors and this table does not have a lot of deletes in
> everyday
> > > >activity and most deletes are batch in the end of month or some other
> > > >period - you can increase value of PCTUSED to 100-PCTFREE-5.
> > > >
> > > >Alex Hillman
> > > >
> > > > > -----Original Message-----
> > > > > From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of
> > > > > rafi_at_vsnl.net
> > > > > Sent: Friday, March 09, 2001 4:56 AM
> > > > > To: Multiple recipients of list ORACLE-L
> > > > > Subject: Re-claiming the space from Table after deleteion
> > > > >
> > > > >
> > > > > Dear All,
> > > > >
> > > > > Platform: Solaris 2.6, Oracle: 7.3.4.0
> > > > >
> > > > > We have a few tables which are growing very fast due to large no
> of
> > > > > insertions. But the data gets obselete after a month and we use a
> > > > > procedure to delete the obselete data from the tables.
> > > > >
> > > > > The problem is that the table does not free the space even
> > > > > after the deletion of 40% of the data.
> > > > >
> > > > > How can we re-claim the unused space which got created due to
> > > deletion?
> > > > >
> > > > > How do we ensure that future inserts are done in this unused
> space?
> > > > >
> > > > >
> > > > > [We can not try exp/imp or truncate option
> > > > > due to the huge size & high activity and
> > > > > online use of the tables].
> > > > >
> > > > > Kind Regards and thanks to all there,
> > > > >
> > > > >
> > > > > Rafi Ahmad
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > > > --
> > > > > Author:
> > > > > INET: rafi_at_vsnl.net
> > > > >
> > > > > Fat City Network Services -- (858) 538-5051 FAX: (858)
> 538-5051
> > > > > San Diego, California -- Public Internet access / Mailing
> >Lists
> > > > >
> --------------------------------------------------------------------
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> > > >
> > > >--
> > > >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > >--
> > > >Author: Alex Hillman
> > > > INET: ahillman_at_erols.com
> > > >
> > > >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> > > >San Diego, California -- Public Internet access / Mailing
> Lists
> > > >--------------------------------------------------------------------
> > > >To REMOVE yourself from this mailing list, send an E-Mail message
> > > >to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> > > >the message BODY, include a line containing: UNSUB ORACLE-L
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> > >
> > >
> >_________________________________________________________________________
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> >http://www.hotmail.com.
> > >
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > > --
> > > Author: Raghu Kota
> > > INET: raghukota_at_hotmail.com
> > >
> > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> > > San Diego, California -- Public Internet access / Mailing Lists
> > > --------------------------------------------------------------------
> > > To REMOVE yourself from this mailing list, send an E-Mail message
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> > >
> >
> >--
> >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >--
> >Author: Alex Hillman
> > INET: ahillman_at_erols.com
> >
> >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> >San Diego, California -- Public Internet access / Mailing Lists
> >--------------------------------------------------------------------
> >To REMOVE yourself from this mailing list, send an E-Mail message
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> >also send the HELP command for other information (like subscribing).
> >
> >--
> >Please see the official ORACLE-L FAQ: http://www.orafaq.com
> >--
> >Author:
> > INET: rafi_at_vsnl.net
> >
> >Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> >San Diego, California -- Public Internet access / Mailing Lists
> >--------------------------------------------------------------------
> >To REMOVE yourself from this mailing list, send an E-Mail message
> >to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
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> >(or the name of mailing list you want to be removed from). You may
> >also send the HELP command for other information (like subscribing).
>
> _________________________________________________________________________
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Raghu Kota
> INET: raghukota_at_hotmail.com
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Morton, Ronald D INET: rdmorton_at_switch.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Mon Mar 12 2001 - 09:47:46 CST
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