Question

如何更改‘Oracle“字符集？

Answer 1

-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）
conn sys/oracle as sysdba

ALTER SYSTEM DISABLE RESTRICTED SESSION；改完编码后执行
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；。