Jared, thanks for the "asktom" article, very interesting reading - I'm not
100% sure I agree with him though. I just recently went through the
exercise to rebuild our indexes into locally-managed tablespaces and I
saved over 100GB of space through the rebuild process - as an example I had
a 51GB unique index that went to 30GB after the rebuild (I'm not implying
locally-managed had anything to do with the space savings, that was just
for reducing/eliminating fragmentation). The indexes had not been
rebuilt in over a year. Our DSS database is next; I expect to save at
least that plus more in space. Not to discount Tom's arguments but I was
very happy with the space savings and depending on your environment that
can be very helpful/worthwhile.
Just my opinion - guess it depends on your objectives. This
discussion has definitely got me thinking in some different directions
which is always a good thing.
thanks again,
John D.
Atlanta, GA
"Jared Still"
<[EMAIL PROTECTED] To: "Multiple recipients of list
ORACLE-L" <[EMAIL PROTECTED]>
om> cc: (bcc: John
Dailey/NAC/ING-FSI-NA)
Sent by: Subject: Re: Rebuilding Indexes...
[EMAIL PROTECTED]
12/26/2002 10:13
PM
Please respond to
ORACLE-L
Though I have published a script for determining indexes that
need to be rebuilt, and then rebuilding them, I have to say that
this is almost never necessary.
Why are you rebuilding indexes? About the only reason for ever
doing so is that the BLEVEL >= 5.
goto asktom.oracle.com, and do a search on 'index rebuild'.
Currently, the third article may be of interest.
Jared
On Thursday 26 December 2002 12:24, Richard Huntley wrote:
> Anyone have any useful scripts for doing this?
>
> TIA,
> Rich
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