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ORA-01555 error is occurring for long running SQL statements yet less than the undo_retention (Doc ID 2527672.1)

Last updated on JANUARY 29, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 19.1.0.0.0 [Release 11.2 to 19]
Information in this document applies to any platform.

Symptoms

ORA-01555 error may occur for long running SQL statements, yet less than the undo retention setting.

Although the undo_retention was set to 43000 seconds (~12 hours), the queries fail after around 22000 seconds (~ 6 hours).

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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