DBA
0

select min(maxnc), null from  (select max(next_change#) maxnc from v$backup_redolog group by thread#) col min(maxnc) format…

DBA
0

Validate backup – http://www.oracle-scn.com/rman-restore-validate-a-proactive-health-check/

UNIX
0

https://linuxconfig.org/how-to-stop-start-and-disable-enable-firewall-on-redhat-7-linux-system

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