Explanation https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/dbaascli.html Using the dbaascli utility, you can: Change the password of a database user. Start and stop a database. Start and stop the Oracle Net listener Check the status of the Oracle Data Guard configuration. Perform switchover and failover in an Oracle Data Guard configuration. Patch the database deployment. Perform database recovery. Rotate the master encryption key. https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/dbaascli.html