Re: Reclaim Tablespace after drop with purge options

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:
>
>
>
> select sum(blocks),tablespace_name from dba_free_space group by
> tablespace_name order by tablespace_name;
>
>
>
> 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.
>
>
>
> 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.
>
>
>
> By the way, HOW are you checking for free space?
>
>
>
> *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?
>
>
>
> Seth Miller
>
>
>
>
> On Wednesday, September 3, 2014, Bala Krishna <krishna000_at_gmail.com>
> wrote:
>
> Miller,
>
> Its not compressed.
>
>
> 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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