Linux系统下Oracle数据库字符集调整

通常我们在导入导出Oracle数据时，会遇到乱码现象，一般是由于oracle字符集不一致造成的，下面将展示如何修改oracle字符集

[oracle@wang ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Sun Dec 23 05:45:51 2018

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

SQL>select userenv('language') from dual;

SQL>SHUTDOWN IMMEDIATE

SQL>STARTUP MOUNT

SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION;

SQL>ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;

SQL>ALTER SYSTEM SET AQ_TM_PROCESSES=0;

SQL>ALTER DATABASE OPEN;

SQL>ALTER DATABASE CHARACTER SET INTERNAL_USE ZHS16GBK;

SQL>SHUTDOWN IMMEDIATE;

SQL>STARTUP;

SQL>select userenv('language') from dual;

其中常见的Oracle字符集有ZHS16GBK、AL32UTF8、US7ASCII等等。