RE: Locally managed tablespaces + auto-allocate

From: Khedr, Waleed <Waleed.Khedr_at_FMR.COM>
Date: Wed, 11 Oct 2000 11:06:23 -0400
Message-Id: <10646.118977@fatcity.com>

It's not uniform. It's auto allocate (system managed).

-----Original Message-----
From: Mike Killough [mailto:mwkillough_at_hotmail.com] Sent: Tuesday, October 10, 2000 6:40 PM
To: Multiple recipients of list ORACLE-L Subject: Re: Locally managed tablespaces + auto-allocate

Your initial and next extent sizes defined for the tablespace are 1M. ->

select tablespace_name, allocation_type "UNIFORM?", initial_extent, next_extent
from dba_tablespaces
where tablespace_name = 'DIMD';

>From: "Ajay K" <ajay_at_tems.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Re: Locally managed tablespaces + auto-allocate
>Date: Tue, 10 Oct 2000 11:55:39 -0800
>
>It looks like block size is small .
>Ajay
>
>----- Original Message -----
>To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
>Sent: Tuesday, October 10, 2000 1:28 PM
>
>
> > I created this table in a locally managed (auto-allocate) tablespace:
> >
> > create table testext ( c1 char (250)) storage (initial 10M next 10M)
> > tablespace dimd;
> >
> > When I query the extents:
> >
> > select * from user_extents where segment_name = 'TESTEXT';
> >
> > SEGMENT_NA PARTITION_ SEGMENT_TYPE TABLESPACE_NAME EXTENT_ID
>BYTES
> > BLOCKS
> > ---------- ---------- ------------------ --------------- ---------
>-------
>--
> > ---------
> > TESTEXT TABLE DIMD 0
>1048576
> > 64
> > TESTEXT TABLE DIMD 1
>1048576
> > 64
> > TESTEXT TABLE DIMD 2
>1048576
> > 64
> > TESTEXT TABLE DIMD 3
>1048576
> > 64
> > TESTEXT TABLE DIMD 4
>1048576
> > 64
> > TESTEXT TABLE DIMD 5
>1048576
> > 64
> > TESTEXT TABLE DIMD 6
>1048576
> > 64
> > TESTEXT TABLE DIMD 7
>1048576
> > 64
> > TESTEXT TABLE DIMD 8
>1048576
> > 64
> > TESTEXT TABLE DIMD 9
>1048576
> > 64
> >
> > 10 rows selected.
> >
> >
> >
> >
> >
> > WHY DOES IT HAVE TO SPLIT THE EXTENT TO MANY SMALL ONES?
> >
> >
> >
> > regards
> >
> >
> >
> > Waleed
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Khedr, Waleed
> > INET: Waleed.Khedr_at_FMR.COM
> >
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>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Ajay K
> INET: ajay_at_tems.com
>
>Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Mike Killough
  INET: mwkillough_at_hotmail.com

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Received on Wed Oct 11 2000 - 10:06:23 CDT