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--查看oracle数据库字符集：

sql代码

select userenv('language') from dual;

查询结果：

simplified chinese_china.al32utf8

--修改oracle数据库字符集：(在sql plus中)

sql代码

sql> conn / as sysdba;

sql> shutdown immediate;

database closed.

database dismounted.

oracle instance shut down.

sql> startup mount;

oracle instance started.

total system global area 135337420 bytes

fixed size 452044 bytes

variable size 109051904 bytes

database buffers 25165824 bytes

redo buffers 667648 bytes

database mounted.

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> alter database character set internal_use al32utf8;

sql> shutdown immediate;

sql> startup;

修改oracle用户的nls_lang

编辑/home/oracle/.bash_profile

bash代码

export nls_lang=simplified chinese_china.al32utf8

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