Re: wrong start_time and start_date in v$transaction

No ideas (yet) but do the time components of the start date match the time of the start time ?

Regards
Jonathan Lewis

On Mon, Aug 31, 2020 at 12:15 PM Noveljic Nenad <nenad.noveljic_at_vontobel.com> wrote:

> v$transaction.start_time shows some time in the past before the session
> was event created:
>
>
>
> I observed this problem on some 18c and 19c databases.
>
>
>
> SQL> select start_time,start_date from v$transaction ;
>
>
>
> no rows selected
>
>
>
> SQL>
>
> SQL> select sysdate from dual ;
>
>
>
> SYSDATE
>
> ----------
>
> 31-08-2020
>
>
>
> SQL>
>
> SQL> create table t (n number) ;
>
>
>
> Table created.
>
>
>
> SQL>
>
> SQL> insert into t values(1) ;
>
>
>
> 1 row created.
>
>
>
> SQL>
>
> SQL> select start_time,start_date from v$transaction ;
>
>
>
> START_TIME START_DATE
>
> -------------------- ----------
>
> 08/28/20 01:39:39 28-08-2020
>
>
>
> Does anybody have an idea how to approach this problem? I use the field
> for monitoring long open transactions.
>
>
>
> How critical might this be?
>
>
>
> Best regards,
>
>
>
> Nenad
>
>
>
> http://nenadnoveljic.com/blog/
>
>
>
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