SQL> select log_mode from v$database;

LOG_MODE
------------
NOARCHIVELOG

SQL> show parameter archive;

NAME TYPE VALUE
------------------------------------ ------- ------------------------------
log_archive_dest string /Arc_HIS
log_archive_dest_1 string
log_archive_dest_2 string
log_archive_dest_3 string
log_archive_dest_4 string
log_archive_dest_5 string
log_archive_dest_state_1 string enable
log_archive_dest_state_2 string enable
log_archive_dest_state_3 string enable
log_archive_dest_state_4 string enable
log_archive_dest_state_5 string enable

NAME TYPE VALUE
------------------------------------ ------- ------------------------------
log_archive_duplex_dest string
log_archive_format string %s.arc
log_archive_max_processes integer 1
log_archive_min_succeed_dest integer 1
log_archive_start boolean TRUE
log_archive_trace integer 0
standby_archive_dest string ?/dbs/arch
SQL>