if you don't log index changes and you have to do a recovery, then you
have an unusable, inconsistent index.

which is why Oracle logs index changes.


--- Arul kumar <[EMAIL PROTECTED]> wrote:
> Hi DBAs,
> 
> I want to know why Oracle LOGs index entries.
> 
> What will happen if Oracle sets NO LOGGING as default for INDEX
> Objects...Wont it be a performance enhancer (assuming all the
> underlying
> tables r always LOGed to enable RECOVERY ! )
> 
> Am i wrong ?
> 
> Arul.
> 
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