How to Determine the Value Of UNDO_RETENTION Parameter to Avoid ORA-1555

(Doc ID 822411.1)

Last updated on JULY 21, 2017

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.
***Checked for relevance on 21-Jul-2017***


The objective of this note  is to explain how to set UNDO_RETENTION parameter and to clarify how the error ORA-1555 could be generated due to wrong setting of UNDO_RETENTION parameter value.


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