When inserting only rowid gows into rollback segment, so 1GB will be more
then enough.
Alex Hillman
-----Original Message-----
From: CC Harvest [SMTP:[EMAIL PROTECTED]]
Sent: Friday, March 23, 2001 12:18 PM
To: Multiple recipients of list ORACLE-L
Subject: Re: Which is faster??
Thank you all for the reply. Probbaly I need to do
more test. My concern is that whether it's ok to do
the buld insert of 9 million records(say 2.7GB) on a 1
GB RBS? I think the RBS should also be at least 3GB,
right?
Thanks,
Chris
--- Connor McDonald <[EMAIL PROTECTED]> wrote:
> If you're on 8.0 or higher, try
>
> insert /*+ APPEND */
> into table
> select * from other_table;
>
> where "table" is defined as nologging. Then you
> won't
> hit either redo logs or rollback segments..Its the
> equivalent of a sqlldr direct load
>
> hth
> connor
>
> --- CC Harvest <[EMAIL PROTECTED]> wrote: > I have
> the following scripts:
> >
> > insert into table
> > select * from table2
> > ;
> >
> > So if use the about bulk statement in my
> > application, and the table2 is big, say 10
> > million records, my concern is that it's
> > going to fail because of the possible rollback
> > segments failure. So then I have to use PL/SQL
> > to create a cursor and commit every 50000 records.
> > What's the disadvantage of this?Will it be much
> > slower
> > than a bulk insert?
> >
> > Can I do it another way: create a stored procedure
> > for this bulk insert, then pin this procedure in
> > memory, does it still have RBS problem?
> >
> > Anyone has similar experience?
> >
> > Thanks in Advance,
> >
> > Chris
> >
> >
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Author: Hillman, Alex
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