RE: When to rebuild the index?
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: <chiragdba@xxxxxxxxx>
- Date: Tue, 6 Sep 2005 10:11:22 -0700
I know - it's kind of a pain. Search Metalink for index_stats and you should
find a script that you can run which will create a stored procedure and
generate a secondary script to run validate structure on each index and then
insert the values from index_stats into a secondary table, e.g. all_index_stats.
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On
Behalf Of Chirag DBA
Sent: Tuesday, September 06, 2005 10:07 AM
To: Chirag DBA
Cc: Oracle-L Freelists
Subject: Re: When to rebuild the index?
While you do the validate structure with indexes, it shows the stats only for
the last index.
How can I see the list of all the indexes who needs to get rebuild now.
I can see the results only for 1 index and that is the last one in valudate
structure.
Regards - Chirag
On 9/6/05, Chirag DBA < chiragdba@xxxxxxxxx> wrote:
Hi Guys,
I think that even select statement will make the index split and require the
rebuilding. Am I true? I think I am.
And there is a view called index_stats with column height.
I have read that when the value of this column is >= 4, u need to rebuild the
indexes.
But after analyzing the particular schema, I don see any value to get populated
in this view.
I can see last analyzed value changed in dba_indexes when I analyze the schema
with DBMS_STATS. ANALYZE_SCHEMA package.
Why this is so?
Regards - Chirag
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