Re: index size calculation

From: Deepak Thapliyal <deepakthapliyal_at_yahoo.com>
Date: Fri, 09 Nov 2001 16:53:21 -0800
Message-ID: <F001.003C175F.20011109163017@fatcity.com>

we generally go for 50% tablesize for indexes .. works for most of our medium sized game databases.

for very large tables .. i go with 20% sise of table per index

Deepak
--- Ron Rogers <RROGERS_at_galottery.org> wrote:
> Greg,
> I usually insist on that information from the
> development group then I can charge it off to their
> budget when it expands beyond the original space.
> Seriously, I build a table and indexes with init
> and next the DBBLOCK size and load a controlled
> amount of data. That will give you a good starting
> point for quesstimating the space requirements over
> the provected life of the project. I used the
> dbblock size to eliminate Oracle rounding up to even
> blocks.
> ROR mª¿ªm
>
> >>> FAKTORG_at_labs.wyeth.com 11/09/01 02:56PM >>>
> Hi All!
> I need to calculate/estimate index size for
> database. In 8.0.5 I used formula from
> Administrator Guide to calculate index size. Now
> this formula was removed because of it accuracy (see
> Metalink).
> Does some one has formula for 8i ?
>
> Thanks.
>
> Greg.
>
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-- 
Author: Deepak Thapliyal
  INET: deepakthapliyal_at_yahoo.com

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Received on Fri Nov 09 2001 - 18:53:21 CST