Re: Anyone seen weblogic do this?
- From: Jared Still <jkstill@xxxxxxxxxx>
- To: Oracle-L Freelists <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 05 Jul 2004 11:02:32 -0700
On Mon, 2004-07-05 at 05:37, J.Velikanovs@xxxxxxxx wrote:
> >> In 8i there is no x$dual, there you could use a single table hash
> cluster or IOT with relevant view on it to reduce dual cost (an unique
> scan on single block IOT akes only 1 LIO compared to 3 that FTS makes on a
> single block table).
> You definitely know, but in any case FYI:
>
> =====================================================
> SYS:BUKA> select rowid from dual;
>
> ROWID
> ------------------
> AAAADDAABAAAAHSAAA
>
> SYS:BUKA> create view mydual as select * from dual where
> rowid='AAAADDAABAAAAHSAAA';
>
> View created.
...
Clever trick. Just remember that an export/import to another
or new database will break it.
Jared
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