TP系统与AP系统的最大一个区别就是AP系统可能由于数据量较大还有就是他的数据都是有来源的假如真的发生了介质故障或其他问题时都是可以从源再拉数据过来的所以AP通常运行在非归档模式下
[oracle@localhost archive]$ cd
[oracle@localhost ~]$ sqlplus /nolog
SQL*Plus: Release Production on Mon Nov ::
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SQL> conn /as sysdba
Connected
SQL> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u/app/oracle/archive
Oldest online log sequence
Next log sequence to archive
Current log sequence
SQL> shutdown immediate;
Database closed
Database dismounted
ORACLE instance shut down
SQL> startup mount;
ORACLE instance started
Total System Global Area E+ bytes
Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers 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 /u/app/oracle/archive
Oldest online log sequence
Current log sequence
SQL>
