May be because of fragmantation problem of indexes.
JUST an IDEA ...
Bunyamin
----- Original Message -----
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
Sent: Tuesday, March 13, 2001 5:31 PM
> Hi all,
>
> I've read an interesting section in Oracle Docu (Tuning I/O):
>
> ---
> Separating Tables and Indexes
>
> It is not necessary to separate a frequently used table from its index.
> During the course of a transaction, the index is read first, and then
> the table is read. Because these I/Os occur sequentially, the table and
> index can be stored on the same disk without contention.
> ---
>
> Why do you then recommend to separate tables and indexes to different
> disks?
>
> Thanks
> Mike
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> Author: Michal Zaschke
> INET: [EMAIL PROTECTED]
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Author: Bunyamin K.Karadeniz
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