Re: stale partition statistics

Nenad,

May be you are looking for this kind of scripts

https://www.google.com/amp/s/hourim.wordpress.com/2020/08/06/historical-column-histogram/amp/

Regards
Mohamed

Le sam. 6 mars 2021 à 12:04, Noveljic Nenad <nenad.noveljic_at_vontobel.com> a écrit :

> Yes, the latest partition (new month) partition was the candidate for
> stats gathering.
>
>
>
> Where can I find the historical histogram type information?
> dbms_stats.diff_table_stats_in_history shows only YES/NO for histograms,
> but not the type.
>
>
>
> Best regards,
>
>
>
> Nenad
>
>
>
> *From:* Jonathan Lewis <jlewisoracle_at_gmail.com>
> *Sent:* Samstag, 6. März 2021 09:28
> *To:* Noveljic Nenad <nenad.noveljic_at_vontobel.com>
> *Cc:* ORACLE-L (oracle-l_at_freelists.org) <oracle-l_at_freelists.org>
> *Subject:* Re: stale partition statistics
>
>
>
>
>
> Did you have ANY partitions that should have been candidates for stats
> gathering ? If so can you go back into the optimizer stats history and
> check whether any column in the GLOBAL stats has a histogram that changed
> type.
>
> There were some difficulties with hisograms that have been written about
> (maybe Maria Colgan) with new partitions triggering stats gathering on old
> partitions - but I thought was a 12c problem.
>
>
>
> Regards
>
> Jonathan Lewis
>
>
>
>
>
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