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flash back query question

edited Apr 11, 2013 9:29PM in Database Administration (MOSC) 4 commentsAnswered
hi !

iam using 11gR2 and i can query the table as of 7 days ago even though my undo_retention is set for only 5 mins  , how is it possible ?

we are not using flash back in database

SQL> select count(*) from mcommerce_partners as of timestamp sysdate - 72 /COUNT(*)----------4SQL> select count(*) from mcommerce_partners as of timestamp sysdate - 8ERROR at line 1:ORA-08180: no snapshot found based on specified timeSQL> show parameter undo_retentionNAME TYPE VALUE------------------------------------ ----------- ------------------------------undo_retention integer 900SQL>SQL> select flashback_on from v$database;FLASHBACK_ON------------------NO

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