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  • 修改编码格式

            --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 UTF8;
      sql> shutdown immediate;
      sql> startup;    

    二、修改pl/sql developer 的编码格式:

    在windows中创 建一个名为“NLS_LANG”的系统环境变量,设置其值为“SIMPLIFIED CHINESE_CHINA.ZHS16GBK”,

    然后重新启动 pl/sql developer,这样检索出来的中文内容就不会是乱码了。如果想转换为UTF8字符集,可以赋予“NLS_LANG”为 “AMERICAN_AMERICA.UTF8”,然后重新启动 pl/sql developer。其它字符集设置同上

      

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  • 原文地址:https://www.cnblogs.com/it888/p/5126563.html
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