如何修改oracle字符集为UTF8

执行如bai下du语句zhi即可dao
sqlplus system/orcl@orcl
select * from v$nls_parameters;
$sqlplus /nolog
conn / as sysdba
SHUTDOWN IMMEDIATE;
STARTUP MOUNT EXCLUSIVE;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE UTF8;
SHUTDOWN immediate;
startup;
/