查看及修改oracle编码格式方法(整理)

--查看oracle数据库字符集：
select userenv('language') from dual;

--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;