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Re: A rollback segment question on minextents

From: Stephane Faroult <sfaroult_at_oriole.com>
Date: Thu, 07 Mar 2002 12:53:48 -0800
Message-ID: <F001.004228DB.20020307125348@fatcity.com>


kumanan.balasundaram_at_qxl.com wrote:
>
> Hi,
>
> I was wondering why Oracle force minextents for rollback
> segments to be two. Why can't we have minextents zero or
> no minextents clause at all.
>
> We can surely set initial extent to be large enough ourselves
> and next extent sized accordingly.
>
> Can someone enlighten me on the reason/thought behind this?
>
> Many thanks
>
> Kumanan Balasundaram
> Database Administrator, IT
> QXL ricardo plc
> www.qxl.com
> P: +44 (0)208 962 7409

Oracle doesn't reuse an extent which contains active transactions. What do you think would happen when you reach the end of your initial extent ? Exactly.

-- 
Regards,

Stephane Faroult
Oriole Ltd
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriole.com

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Received on Thu Mar 07 2002 - 14:53:48 CST

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