Show all the Oracle users connected to the database SQL Code 1set lines 100 pages 999 2col ID format a15 3col USERNAME format a20 4select username 5, sid || ',' || serial# "ID" 6, status 7, last_call_et "Last Activity" 8from v$session 9where username is not null 10order by status desc 11, last_call_et desc 12/ Sample …