【oracle】plsql字符設置

select userenv('language') from dual;
AMERICAN_AMERICA.ZHS16GBK

select * from v$nls_parameters a where a.PARAMETER = 'NLS_CHARACTERSET';     
ZHS16GBK 




SQL>SHUTDOWN IMMEDIATE;

SQL>STARTUP MOUNT EXCLUSIVE;  

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 NATIONAL CHARACTER SET INTERNAL_USE UTF8;

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>ALTER DATABASE ORCL CHARACTER SET ZHS16GBK;

SQL>SHUTDOWN IMMEDIATE; SQL>STARTUP