修改和查看oracle数据库的编码

修改数据的编码为 UTF-8

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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