查看及修改Oracle编码格式方法

--查看Oracle数据库字符集：
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> 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 JA16SJIS;

sql> shutdown immediate;

sql> startup;

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