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sqlplus / as sysdbashutdown immediate;startup mount;alter system enable restricted session;alter system set aq_tm_processes=0;alter system set job_queue_processes=0;alter database open;alter database character set internal_use zhs16gbk;shutdown immediate;startup;以下为示例：C:\Users\wj>sqlplus / as sysdbaSQL*Plus: Release 11.2.0.1.0 Production on 星期三 8月 3 16:35:00 2016Copyright (c) 1982, 2010, Oracle.  All rights reserved.连接到:Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> shutdown immediate;数据库已经关闭。已经卸载数据库。ORACLE 例程已经关闭。SQL> startup mount;ORACLE 例程已经启动。Total System Global Area 1071333376 bytesFixed Size                  1375792 bytesVariable Size             536871376 bytesDatabase Buffers          528482304 bytesRedo Buffers                4603904 bytes数据库装载完毕。SQL> alter system enable restricted session;系统已更改。SQL> alter system set aq_tm_processes=0;系统已更改。SQL> alter system set job_queue_processes=0;系统已更改。SQL> alter database open;数据库已更改。SQL> alter database character set internal_use zhs16gbk;数据库已更改。SQL> shutdown immediate;数据库已经关闭。已经卸载数据库。ORACLE 例程已经关闭。SQL> startup;ORACLE 例程已经启动。Total System Global Area 1071333376 bytesFixed Size                  1375792 bytesVariable Size             536871376 bytesDatabase Buffers          528482304 bytesRedo Buffers                4603904 bytes数据库装载完毕。