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RE: NEXT_EXTENT and PCT_INCREASE

From: Jared Still <jkstill_at_cybcon.com>
Date: Tue, 26 Aug 2003 17:54:35 -0800
Message-ID: <F001.005CD58D.20030826175435@fatcity.com>


This may be due to the 1st extent id being 0.

Your query is picking up the 2nd extent.

Jared

On Tue, 2003-08-26 at 16:44, Roger Xu wrote:
>
> Why the table was created with initial extent as 1700M,
> but dba_extents says the first extent is 8M only?
>
> SQL> select initial_extent from dba_tables where table_name='BSIS';
> 1782579200
>
> SQL> select bytes from dba_extents where segment_name='BSIS' and extent_id=1;
> 8388608
>
> SQL> select bytes,count(*) from dba_extents where segment_name='BSIS' group by bytes;
> 8388608 113
> 67108864 137
>
> -----Original Message-----
> Sent: Tuesday, August 26, 2003 3:14 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Roger,
>
> 1. Space management can be specified for a tablespace, not a segment. Create
> ASSM tablespace and alter table ... move there.
>
> 2. Locally managed tablespace, I guess. Oracle doesn't need NEXT_EXTENT and
> PCT_INCREASE then.
>
> HTH
> Vadim
>
> -----Original Message-----
> Sent: Tuesday, August 26, 2003 3:59 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi,
>
> I have the following output when I querying dba_tables.
>
> Question 1: This table is created using manual management method, right?
> What do I do in order to turn it to Automatic segment-space
> management?
>
> Question 2: How come there are no values for NEXT_EXTENT and PCT_INCREASE?
>
> Thanks,
>
> Roger Xu
>
>
> PCT_FREE PCT_USED INI_TRANS MAX_TRANS
> ---------- ---------- ---------- ----------
> 10 40 1 255
>
> INITIAL_EXTENT NEXT_EXTENT MIN_EXTENTS MAX_EXTENTS PCT_INCREASE
> -------------- ----------- ----------- ----------- ------------
> 527491072 1 2147483645
>
> FREELISTS FREELIST_GROUPS
> ---------- ---------------
> 1 1
>
> LOGGING BACKED_UP NUM_ROWS
> ------- --------- ----------
> YES N 216122635
>
> BLOCKS EMPTY_BLOCKS AVG_SPACE CHAIN_CNT
> ---------- ------------ ---------- ----------
> 7651115 4307 319 0
>
>
> AVG_ROW_LEN AVG_SPACE_FREELIST_BLOCKS NUM_FREELIST_BLOCKS
> ----------- ------------------------- -------------------
> 254 4496 2
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Roger Xu
> INET: roger_xu_at_dp7uptx.com
>
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> Author: Roger Xu
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>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

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Received on Tue Aug 26 2003 - 20:54:35 CDT

Original text of this message

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