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Continue to ChatFlashback Database After Dataguard Failover ( STANDBY_BECAME_PRIMARY_SCN) https://easyoradba.com/2013/04/25/flashback-database-after-dataguard-failover-standby_became_primary_scn/
Flashback Database After Dataguard Failover ( STANDBY_BECAME_PRIMARY_SCN) https://easyoradba.com/2013/04/25/flashback-database-after-dataguard-failover-standby_became_primary_scn/