Oracle 12c 关闭归档模式：
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/archive
Oldest online log sequence 1227
Next log sequence to archive 1228
Current log sequence 1228
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance
ORACLE instance started.
Total System Global Area 2147483648 bytes
Fixed Size 3712904 bytes
Variable Size 486541432 bytes
Database Buffers 1644167168 bytes
Redo Buffers 13062144 bytes
Database mounted.
SQL> alter database noarchivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination /u01/archive
Oldest online log sequence 1228
Current log sequence 1229
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