修改字符集AL32UTF8修改为ZHS16GBK详解

      登陆sqlplus,在命令行输入

       sqlplus sys/sys as sysdba;//登陆sqlplus

   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; //跳过超子集检测


　　SQL>ALTER DATABASE national CHARACTER SET INTERNAL ZHS16GBK;//报错错ORA-00933: SQL 命令未正确结束，不已经生效。

　　SQL>SHUTDOWN IMMEDIATE;

　　SQL>STARTUP;