Flashback Query Raises Errors Ora-08180 and Ora-01555

(Doc ID 1100993.1)

Last updated on MARCH 10, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5 to 10.2.0.5 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 21-Jan-2013***

Symptoms

On : 11.1.0.7 version, Flashback Recovery
When attempting to Flashback Query longer than 5 days the following error occurs.

ERROR
-----------------------
SQL> select count(*) from diaxgo.ma_stamm as of timestamp systimestamp -4;
COUNT(*)
----------
13355

SQL> select count(*) from diaxgo.ma_stamm as of timestamp systimestamp -5;
select count(*) from diaxgo.ma_stamm as of timestamp systimestamp -5
*
ERROR at line 1:
ORA-01555: snapshot too old: rollback segment number 3 with name "_SYSSMU3$" too small

SQL> select count(*) from diaxgo.ma_stamm as of timestamp systimestamp -6;
select count(*) from diaxgo.ma_stamm as of timestamp systimestamp -6
*
ERROR at line 1:
ORA-08180: no snapshot found based on specified time

Cause

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