Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Mailing Lists -> Oracle-L -> Re: PCTFREE and PCTUSED

Re: PCTFREE and PCTUSED

From: Mladen Gogala <mladen_at_wangtrading.com>
Date: Fri, 07 Nov 2003 12:54:25 -0800
Message-ID: <F001.005D600D.20031107125425@fatcity.com>


I have a hunch that it will fail on Oracle 8i and with the message like "SQL command not properly terminated", with the asterisk below the word "SEGMENT". It's just my intuition.

On 11/07/2003 03:04:31 PM, Maryann Atkinson wrote:
>
> >CREATE TABLESPACE DATA01
> >DATAFILE '\data01.dbf' size 8M reuse
> >AUTOEXTEND ON NEXT 4096M MAXSIZE 32M
> >EXTENT MANAGEMENT LOCAL AUTOALLOCATE
> >SEGMENT SPACE MANAGEMENT AUTO
>
> Our prod sys is using 8i on solaris, but I quickly tried that on 9i
> on my own pc running on XP, before I go try it anywhere else,
> and it worked.
>
> thx
> maa
>
> At 01:59 PM 11/7/2003, you wrote:
> >On the other hand, you might have overallocated the space, which would
> >leave plenty of blocks on the free list, thus minimizing the impact.
> >These things are best seen on "almost full" tables with things like
> >row chaining, row migration, waits on ITL entries and other lovely
> >things. Looks like you've benn lucky so far. As I've told you before,
> >having tablespaces created with "SEGMENT SPACE MANAGEMENT AUTO" option
> >takes care of that.
> >if your tablespace is created with a command like
> >
> >"CREATE TABLESPACE DATA01
> > DATAFILE '/data01/SID1/data01.dbf' size 8192M reuse
> > AUTOEXTEND ON NEXT 4096M MAXSIZE 32769M
> > EXTENT MANAGEMENT LOCAL AUTOALLOCATE
> > SEGMENT SPACE MANAGEMENT AUTO"
> >
> >then you can create tables without any additional parameters and
> >everything will be kosher.
> >The tablespace above requires something called "large files support" from
> >the file system
> >and cannot be used on FAT file systems or ISO9660-RR/Joliet file system.
> >Practically anyhing
> >else (UFS,VxFS,ReiserFS,Ext(2|3),XFS,JFS,OCFS,NTFS (scheduled to go away
> >when the new virus
> >propagataion engine enters production)).
> >BTW, what OS and database version do you use?
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Maryann Atkinson
> INET: maryann_30_at_yahoo.com
>
> Fat City Network Services -- 858-538-5051 http://www.fatcity.com
> San Diego, California -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> 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).
>

Mladen Gogala
Oracle DBA

Note:
This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you receive this message in error, please immediately delete it and all copies of it from your system, destroy any hard copies of it and notify the sender. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient. Wang Trading LLC and any of its subsidiaries each reserve the right to monitor all e-mail communications through its networks. Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorized to state them to be the views of any such entity.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Mladen Gogala
  INET: mladen_at_wangtrading.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
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 Fri Nov 07 2003 - 14:54:25 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US