RE: statistics_level for individual statistics name

  • From: "Christian Antognini" <Christian.Antognini@xxxxxxxxxxxx>
  • To: <dba.orcl@xxxxxxxxx>
  • Date: Mon, 8 Aug 2005 11:18:53 +0200

Hi 

 

>How to change the activation_level for each statistics name given below here?
>
>SQL> select STATISTICS_NAME,ACTIVATION_LEVEL from v$statistics_level;
>
>STATISTICS_NAME                                                  ACTIVAT
>---------------------------------------------------------------- -------
>Buffer Cache Advice                                              TYPICAL
>MTTR Advice                                                      TYPICAL
>Timed Statistics                                                 TYPICAL
>Timed OS Statistics                                              ALL
>Segment Level Statistics                                         TYPICAL
>PGA Advice                                                       TYPICAL
[snip]

 

Some statistics can be activated/deactivated separately through INIT.ORA 
parameters (e.g. DB_CACHE_ADVICE, TIMED_STATISTICS), i.e. the Reference Guide 
is your friend. Some undocumented parameters exist as well.

 

Regards,
Chris

 

 

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