oracle字符編碼修改

1. 查看原編碼

select * from nls_database_parameters where parameter ='NLS_CHARACTERSET';

2. 修改成AL32UTF8

$sqlplus /nolog
sql>conn /as sysdba;
sql>shutdown immediate;

mount數據庫
sql>startup mount;

設置session
SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION;
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;

啓動數據庫
SQL>alter database open;

修改字符集
SQL>ALTER DATABASE character set INTERNAL_USE AL32UTF8;

關閉，從新啓動
SQL>shutdown immediate;
SQL> startup