系统版本:
Oracle Linux Server release 5.7
数据库版本：
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
查看字符集：
SQL>select userenv('language') from dual;
USERENV('LANGUAGE')
AMERICAN_AMERICA.AL32UTF8
关闭RAC其中一个节点：
[root@rac1 ~]#cd /u01/app/11.2.0/grid/bin/crsctl
[root@rac1 ~]#./crsctl stop cluster
在另一个节点执行：
SQL>alter system set cluster_database=false scope=spfile;
关闭数据库：
SQL>shutdown immediate;
SQL>startup mount;
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
System altered.
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
System altered.
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
System altered.
SQL> alter database open;
Database altered.
修改字符集：
SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;
Database altered.
恢复数据库为RAC：
SQL> alter system set cluster_database=true scope=spfile;
SQL> shutdown immediate;
SQL>startup;
SQL> execute sys.dbms_metadata_util.load_stylesheets;
启动另一节点cluster服务并验证：
[root@rac1 ~]#./crsctl start cluster
查看字符集：
SQL>select userenv('language') from dual;
USERENV('LANGUAGE')
AMERICAN_AMERICA.ZHS16GBK
参考博文：http://blog.itpub.net/28939273/viewspace-1061440/
本文转自1321385590 51CTO博客，原文链接：http://blog.51cto.com/linux10000/2067716，如需转载请自行联系原作者
