Re: Reclaim Tablespace after drop with purge options

Bobby Curtis
curtisbl_at_gmail.com
http://about.me/dbasolved

On Sep 3, 2014, at 15:31, Seth Miller <sethmiller.sm_at_gmail.com> wrote:

> Bala,
>
> How were you calculating the size of the tables?
>
> Seth Miller
>
>
>
>
> On Wed, Sep 3, 2014 at 2:17 PM, Mark W. Farnham <mwf_at_rsiz.com> wrote:
> that *might* be okay, but I don’t have time to parse it. Please try something simple like:
>
>
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> select sum(blocks),tablespace_name from dba_free_space group by tablespace_name order by tablespace_name;
>
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>
> sure, go ahead and do different units than blocks, but let’s avoid the joins and all that and just look at dba_free_space.
>
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> mwf
>
>
>
> From: Bala Krishna [mailto:krishna000_at_gmail.com]
> Sent: Wednesday, September 03, 2014 2:53 PM
> To: Mark W. Farnham
> Cc: Seth Miller; oracle-l_at_freelists.org
>
>
> Subject: Re: Reclaim Tablespace after drop with purge options
>
>
>
> Below is the query that i'm using to check free space.
>
> col tbs for a15
> set head on
> select
> a.tablespace_name "TBS",nvl(a.total,0) "TOTSP",nvl((a.total-f.free),a.total) "USEDSP",
> nvl(f.free,0) "FREESP"
> from
> (select tablespace_name, sum(bytes/(1024*1024)) total from dba_data_files group by tablespace_name) a,
> (select tablespace_name, round(sum(bytes/(1024*1024))) free,round(max(bytes)/1024/1024) maxfree from dba_free_space group by tablespace_name) f
> WHERE a.tablespace_name = f.tablespace_name(+)
> order by 2 desc
> /
>
>
>
> On Wed, Sep 3, 2014 at 2:46 PM, Mark W. Farnham <mwf_at_rsiz.com> wrote:
>
> Create and drop a wee little table in one of those tablespaces and check again.
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>
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> By the way, HOW are you checking for free space?
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>
>
> From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Bala Krishna
> Sent: Wednesday, September 03, 2014 1:49 PM
>
>
> To: Seth Miller
> Cc: oracle-l_at_freelists.org
> Subject: Re: Reclaim Tablespace after drop with purge options
>
>
>
> It doesn't have any un-structured data types at all and recycle bin is already empty.
>
> Regards
>
> Bala
>
>
>
> On Wed, Sep 3, 2014 at 1:42 PM, Seth Miller <sethmiller.sm_at_gmail.com> wrote:
>
> Bala,
>
>
>
> We're there LOB columns in any of those tables?
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>
>
> Seth Miller
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>
>
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> On Wednesday, September 3, 2014, Bala Krishna <krishna000_at_gmail.com> wrote:
>
> Miller,
>
> Its not compressed.
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>
> Regards
>
> Bala
>
>
>
> On Wed, Sep 3, 2014 at 1:17 PM, Seth Miller <sethmiller.sm_at_gmail.com> wrote:
>
> Bala,
>
> Were these compressed tables? Is it possible that they were only occupying 3GB of physical space?
>
> Seth Miller
>
>
>
> On Wed, Sep 3, 2014 at 12:05 PM, Bala Krishna <krishna000_at_gmail.com> wrote:
>
> Hi All,
>
> Our DB oracle 11gr2 with segment space mangement manual for all the tablespaces that we have for some other reasons so that i dont want to go deep in that.
>
> But we have dropped some 1TB tables with purge option directly but the space is not reclaimed at all not sure why if i check the free space of tablespace it just freed only 3GB. Any ideas appreciated.
>
> Regards
> Bala
>
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