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Continue to ChatOracle 11g Snapshot Standby Database (Read- Write mode for standby db) https://easyoradba.com/2011/04/11/oracle-11g-snapshot-standby-database-read-write-mode-for-standby-db/
Oracle 11g Snapshot Standby Database (Read- Write mode for standby db) https://easyoradba.com/2011/04/11/oracle-11g-snapshot-standby-database-read-write-mode-for-standby-db/