In a Distributed Query, ORA-1555 Can Appear on the Remote DB Even When Query Duration is Small
Last updated on JULY 01, 2016
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 9.2 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 01-Jul-2016***
This problem can occur on any platform.
When dealing with ORA-01555 in a distributed environment, if the error appears on a remote node, the query duration can sometimes be very low, especially when compared to the undo_retention for that node. This could appear as an incorrect behavior, be it from the error perspective or from the query duration perspectiv, but is actually correct.
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