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Re: Index Corruption ??

From: Devinder Pal Singh <Devinder_Pal.Singh_at_pharma.novartis.com>
Date: Tue, 22 Sep 1998 12:28:30 -0400
Message-ID: <3607D02E.4C55@pharma.novartis.com>


Oracleguru wrote:
>
> Try
>
> MAXEXTENTS UNLIMITED
> specifies that extents should automatically be
> allocated as needed. You should not use this option
> for rollback segments.
>
> This is per Oracle's help facility in SQL*Plus.
>
> Oracleguru
> www.oracleguru.net
> oracleguru_at_mailcity.com
>
> stuco_at_mailcity.com wrote in article <6u69et$j62$1_at_nnrp1.dejanews.com>...
> > I wanted to check the validity of something an old Oracle guru once told
> me.
> >
> > He says, "... in very large database indexing, be sure that your
> MAXEXTENTS
> > parameter is not more than what the index tablespace will actually hold
> when
> > full. This will corrupt your indexes based on how the b-tree indexing
> works"
> >
> > Example: 100MB Index Tablespace
> > 10 MB Initial
> > 5 MB Next
> > 19 MAXEXTENTS (not 255 or 999)
> >
> > Is this true or is it just bunk?!?! If it is true, why? I'm trying to set
> my
> > maxextents and I'm wondering how much calculation needs to go into
> >

There is no such limitation, yhe only problem is that your appilcation may get stuck when oracle tries to update the index and does not find space. Why not try it.
Devinder Received on Tue Sep 22 1998 - 11:28:30 CDT

Original text of this message

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