RE: questions regarding nologging

So how do I turn logging to YES on the index?

-----Original Message-----
Sent: Wednesday, October 22, 2003 4:29 PM To: Multiple recipients of list ORACLE-L

In addition to operations provided in Mladen's explanation, all partitioning operations such as exchange/split.. partition, etc. do not generate data related redo for segments marked nologging.

HTH. Arup

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, October 22, 2003 4:54 PM

> That's because nologging attribute only affects the "direct"
> operations, i.e. the the operations that prebuild blocks and add
> them below the flood watermark. That includes sqlloader with direct=y,
> inserts with /*+ append */ hint and CTAS. Normal SQL based operations
> are not affected.
>
> On 10/22/2003 04:39:34 PM, Roger Xu wrote:
> > > Hi Gurus,
> > >
> > > I have a couple of questions regarding "nologging".
> > >
> > > 1) alter table tabname move tablespace tbsname nologging;
> > >
> > > How come this sql still generated same amount of redo logs equal
> > to the size of the table?
> > >
> > > 2) alter index idxname rebuild tablespace tbsname nologging;
> > >
> > > This sql only generate minimum redo logs.
> > > But the index ends up LOGGING=NO in dba_indexes view.
> > > How do I turn the logging on for this index?
> > >
> > > Thanks,
> > >
> > > Roger Xu
> > > Database Administrator
> > > Dr Pepper Bottling Company of Texas
> > > (972)721-8337
> > >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: Roger Xu
> > INET: roger_xu_at_dp7uptx.com
> >
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>
> Mladen Gogala
> Oracle DBA
>
>
>
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> Author: Mladen Gogala
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-- 
Author: Arup Nanda
  INET: orarup_at_hotmail.com

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