Managing Redolog in oracle11g

Let us discuss in these session about redo file , group members how to add the group log file in database ? how to add the log member in database ? refer the link below http://ampersandacademy.com/tutorials/archive-log-redolog-oracle-11g/

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Error in starting the service (OracleMTSRecovery)

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ORA-39000, ORA-39143 ORA- 31619 invalid dump file in datapump

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