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Oracle 11g 修改字符集 为 ZHS16GBK

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  方法一:sqlplus “用户/密码 as sysdba” sqlplus “sys/sys as sysdba”

  方法二:sqlplus/nolog
  SQL> conn /as sysdba
  SQL> shutdown immediate;
  SQL> startup mount
  SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
  SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
  SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
  SQL> alter database open;
  SQL> ALTER DATABASE CHARACTER SET ZHS16GBK;
  ORA-12712: new character set must be a superset of old character set
  提示我们的字符集:新字符集必须为旧字符集的超集,这时我们可以跳过超集的检查做更改:
  SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;
  --我们看到这个过程和之前ALTER DATABASE CHARACTER SET操作的内部过程是完全相同的,也就是说INTERNAL_USE提供的帮助就是使Oracle数据库绕过了子集与超集的校验.
  SQL> shutdown immediate;
  SQL> startup
  SQL> select userenv('language') from dual; Oracle查看字符集


1楼2013-12-20 10:37回复