Flashback Query Raises Errors Ora-08180 and Ora-01555
(Doc ID 1100993.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.5 to 10.2.0.5 [Release 10.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.
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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In this Document
| Symptoms |
| Cause |
| Solution |