How to drop a database

One of the ways is this: [oracle@srv3 ~]$ ps -eaf | grep pmon oracle 10435 10414 0 10:22 pts/1 00:00:00 grep –color=auto pmon oracle 31892 1 0 06:49 ? 00:00:00 ora_pmon_ORCL [oracle@srv3 ~]$ sqlplus / as sysdba SQL*Plus: Release 12.2.0.1.0 Production on Tue Jan 22 10:22:55 2019 Copyright (c) 1982, 2016, Oracle. All rights reserved.…