查看和修改oracle数据库字符集
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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 bytesfixed size 452044
bytesvariable size 109051904
bytesdatabase buffers
25165824 bytesredo
buffers 667648 bytesdatabase 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; |
二、修改pl/sql developer 的编码
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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