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RE: Size of segment

From: Hately Mike <Mike.Hately_at_churchill.com>
Date: Mon, 29 Apr 2002 09:29:31 -0800
Message-ID: <F001.00452026.20020429092931@fatcity.com>


Damn! Spot the typo. Blame it on the 4am start today.

I meant :

  create tablespace disks_and index 
   datafile '/disk1/disks_and index01.dbf' size 51m,
            '/disk2/disks_and index01.dbf' size 51m;

  create table mike01 (
  x      varchar(10)

  )
  storage (initial 50m)
  tablespace disks_and index;

  create table mike01_ix on mike01(x)
  storage (initial 50m)
  tablespace disks_and index;

Mike

-----Original Message-----
Sent: Monday, April 29, 2002 6:05 PM
To: Multiple recipients of list ORACLE-L

Ray,
The 2 things aren't at all synonymous; it's quite possible to split objects across tablespaces while keeping them on one disk. You mean that one requires the other and on the whole you're right. I agree that sensibly you need to split them across tablespaces to achieve disk separation but the point I was making was that the disk placement is the important point rather than the tablespace name.

BTW This is how could you control the location of the index forcing it onto a different disk without having a separate ts/datafile? Mind you, I'll agree you'd have to be mad to do it. =)

  create tablespace disks_and index 
   datafile '/disk1/disks_and index01.dbf' size 51m,
            '/disk1/disks_and index01.dbf' size 51m;

  create table mike01 (
  x      varchar(10)

  )
  storage (initial 50m)
  tablespace disks_and index;

  create table mike01_ix on mike01(x)
  storage (initial 50m)
  tablespace disks_and index;

Regards,
Mike Hately

-----Original Message-----
Sent: Monday, April 29, 2002 5:20 PM
To: Multiple recipients of list ORACLE-L

On Mon, Apr 29, 2002 at 07:29:01AM -0800, Hately Mike wrote:
> Charlie,
>
> I think conventional wisdom suggests splitting data and index onto
separate
> disks rather than separate tablespaces.

Aren't the two things synonymous? How could you control the location of the index forcing it onto a different disk without having a seperate ts/datafile?



Ray Stell stellr_at_vt.edu (540) 231-4109 KE4TJC 28^D
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: Hately Mike
  INET: Mike.Hately_at_churchill.com

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those of 
Churchill Insurance Group plc or its affiliates or subsidiaries. Thank you. 
Churchill Insurance Group plc.  Company Registration Number - 2280426.
England. 
Registered Office: Churchill Court, Westmoreland Road, Bromley, Kent BR1
1DP. 


-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Hately Mike
  INET: Mike.Hately_at_churchill.com

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Received on Mon Apr 29 2002 - 12:29:31 CDT

Original text of this message

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