In a Distributed Query, ORA-1555 Can Appear on the Remote DB Even When Query Duration is Small
(Doc ID 560983.1)
Last updated on NOVEMBER 29, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.
Symptoms
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.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |