Database Administration (MOSC)

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ORA-01555: snapshot too old

edited Mar 18, 2024 3:03PM in Database Administration (MOSC) 9 commentsAnswered ✓

Hi,

On 12.9 C on AIX

I usually in alert log:

ORA-01555 caused by SQL statement below (SQL ID: 1mqmjqk6, Query Duration=9247 sec

In which I see query Duration. And I adjust retention parameter accordingly.

But this morning I have:

:ORA-01555 caused by SQL statement below (SQL ID: 7ardu1cp6, Query Duration=0 sec,

Can anyone explain me why in this message I have zero duration and how adjust retention time for this case?

Thank you.

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