INTERNAL_PASSWORD
ALTER USER INTERNAL
CONNECT
INTERNAL
CONNECT INTERNAL AT coin AS SYSDBA
CONNECT system/manager@coin AS INTERNAL
CONNECT INTERNAL/herman@coin
CONNECT TO coin AS INTERNAL
SYSOPER
SYSDBA
RESTRICTED SESSION
SYSTEM
CONNECT SYSTEM/MANAGER
CONNECT SYSTEM/MANAGER AS SYSDBA
CONNECT SYSTEM/SYSDBA
CONNECT SYSDBA/MANAGER AS SYSTEM
AS SYSDBA