如何查看及修改oracle编码格式方法
select userenv('language') from dual;
查询结果：
SIMPLIFIED CHINESE_CHINA.AL32UTF8
--修改oracle数据库教程字符集：（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;
补充：数据库,Oracle教程
