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Re: leaf node 90-10 splits

From: <Jared.Still_at_radisys.com>
Date: Wed, 10 Dec 2003 09:29:25 -0800
Message-ID: <F001.005D9723.20031210092925@fatcity.com>



On 9i:

select * from v$statname
where name like '%leaf%';




Yong Huang <yong321@yahoo.com>
Sent by: ml-errors@fatcity.com

 12/10/2003 07:39 AM
 Please respond to ORACLE-L

       
        To:        Multiple recipients of list ORACLE-L <ORACLE-L@fatcity.com>
        cc:        
        Subject:        Re: leaf node 90-10 splits



Hi, Tanel,

Where do you see this statistic? I only see "leaf node splits" in 8.1.7 and 9.2
documentation. If the index is on strictly monotonically increasing numbers,
won't a new node be added to the right without a block split?

Yong Huang

> I wonder why does statistic "leaf node 90-10 splits" imply that right-hand
> index leaf block is split as 90-10, not 100-0 as it really is. (tested on
> 9.2.0.4 W2k).
>
> Historical reasons?
>
> Tanel.

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  INET: Jared.Still_at_radisys.com

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Received on Wed Dec 10 2003 - 11:29:25 CST

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