"Noons" <wizofoz2k_at_yahoo.com.au> wrote in message
news:1116988939.617917.87910_at_g44g2000cwa.googlegroups.com...
> David Sanabria wrote:
> >
> > This table is a particularly good example of a one that needs to be
> > reorganized and have its indexes rebuilt. The reason I was working on
> > this table was because I received a request to schedule an index rebuild
> > on this table once each week to compensate for a high turnover rate
> > (add/delete). I hoped that starting with the stats would give a nice
> > bump without having to contention issues while rebuilding the indexes.
> >
> > Do you have any insights or perspective on this issue?
> >
> > FYI: Oracle => 8.1.7
> > Oracle CBO mode => Choose
> > Remedy => BMC Action Request System 5.1.2
> >
>
>
> Do a search in google here for "rebuild indexes" and read.
> The results will be surprising. One thing: make sure you
> are patched up to the latest level of 8.1.7, the earlier
> point releases had all sorts of bugs in the CBO that caused
> a lot of weird problems. And move to LMT as soon as possible
> if not already there. You may also have to fiddle with the
> optimizer_* parameters: the above search will provide some
> good reading material on this.
>
I agree with Noons. Why are you rebuilding indexes? It is probably due to
a myth you heard that you must if the table gets deletes. Not true.
Jim
Received on Tue May 24 2005 - 22:35:03 CDT
