Unfortunately my source is another table.
By the way (btw.), will " sqlldr direct=true" work with IOT?
"m.b" - may be.
Igor Neyman, OCP DBA
ineyman_at_perceptron.com
-----Original Message-----
Yong Huang
Sent: Wednesday, November 05, 2003 12:25 PM
To: Multiple recipients of list ORACLE-L
I see. Sorry for misreading.
How about direct path load? sqlldr direct=true. But this means your data
source
is on the filesystem.
What is M.b.?
Yong Huang
- Igor Neyman <ineyman_at_perceptron.com> wrote:
> Yong,
>
> M.b. my question was not clear.
> I know, "nologging" doesn't work with IOTs.
> What I'd like to know, if there are any "tricks" (similar to
> direct-path) to minimize undo/redo when inserting into IOT.
>
> Igor Neyman, OCP DBA
> ineyman_at_perceptron.com
>
>
>
> -----Original Message-----
> Yong Huang
> Sent: Wednesday, November 05, 2003 9:49 AM
> To: Multiple recipients of list ORACLE-L
>
> Hi, Igor,
>
> Direct-path insert does not work for IOTs. This is documented in SQL
> Reference
> for INSERT.
>
> Whether it works for a table without NOLOGGING set (i.e. LOGGING) is
not
> clear
> to me. Documentation says the table has to be NOLOGGING, or its
> tablespace has
> to be so. But Tom Kyte seems to show us that as long as you say INSERT
> /*+
> APPEND */ SELECT, there won't be redo (except for the minimum data
> dictionary
> change), regardless of the table logging setting. See his demo at
> http://groups.google.com/groups?selm=a3k2kp08q5%40drn.newsguy.com
(that
> message
> was not intended to prove my observation). If somebody reads that
> differently,
> please correct me.
>
> Yong Huang
>
> --- Igor Neyman <ineyman_at_perceptron.com> wrote:
> > As it was recently discussed,
> >
> > Insert /*+ append */ into <destination_table> select * from
> > <source_table>
> >
> > will produce minimum redo/undo if <destination_table> specified as
> > "nologging".
> >
> >
> > But, what if <destination_table> is index-organized table?
> > Is it possible to achieve the same results (in regards to amount of
> > redo/undo)?
> >
> > Igor Neyman, OCP DBA
> > ineyman_at_perceptron.com
>
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Received on Wed Nov 05 2003 - 12:29:25 CST
