7.修改Oracle10g数据库字符集 SQL> connect sys/oracle as sysdba SQL> startup mount SQL> alter session set sql_trace=true; Session altered. 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. SQL> set linesize 120; SQL> alter database character set zhs16gbk; alter database character set zhs16gbk * ERROR at line 1: ORA-12712: new character set must be a superset of old character set SQL> ALTER DATABASE character set INTERNAL_USE zhs16gbk; # 使用INTERNAL_USE可以跳过超集的检查,ALTER DATABASE character set INTERNAL_USE Database altered. SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> STARTUP SQL> select name,value$ from props$ where name like '%NLS%'; NLS_CHARACTERSET ZHS16GBK