Hi, Dataguard should be monitored everytime by Oracle DBA.     You can read other Oracle Dataguard monitoring scripts like following.   https://ittutorial.org/2018/03/02/oracle-dataguard-monitoring-scripts-1/ https://ittutorial.org/2018/03/02/oracle-dataguard-monitoring-scripts-2/   https://ittutorial.org/2018/03/02/oracle-dataguard-monitoring-scripts-3/   To see all parameters of Oracle dataguard, you can execute following query.   set linesize 500 pages 0 col value for a80 col name for a50 select name, … Continue reading Oracle Dataguard Monitoring Scripts -4