Re: When to rebuild the index?

  • From: Chirag DBA <chiragdba@xxxxxxxxx>
  • To: Chirag DBA <chiragdba@xxxxxxxxx>
  • Date: Tue, 6 Sep 2005 13:06:36 -0400

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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