switchover and switchback in oracle 12c
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Switchover in Oracle 12C Dataguard
26
Oct
In this blog, We will try to understand how to perform switchover activity. Switchover activity will change the role of database. Precheck for SwitchoverALTER SESSION SET nls_date_format=’DD-MON-YYYY HH24:MI:SS’;SELECT sequence#, first_time, next_time, applied FROM v$archived_log ORDER BY sequence#;SQL> select dest_name,status,error from v$archive_dest where dest_name=’LOG_ARCHIVE_DEST_2′; DEST_NAME ——————————————————————————– STATUS ERROR ——— —————————————————————– LOG_ARCHIVE_DEST_2 VALIDSQL> select message from v$dataguard_status;select […]
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