oracle charset 변경하기

SQLPLUS 접속후 (system 계정으로 로그인 혹시 모른다면 sqlplus /nolog; 후 conn /as sysdba; 로 접속한다)

C:\>sqlplus /nolog;

sql>conn /as sysdba;

 

CHARSET 확인 쿼리문 :
select parameter, value from nls_database_parameters where parameter = 'NLS_CHARACTERSET'

CHARSET 변경

SYSTEM 계정으로 connect 한다.
 

변경해준다.
update sys.props$ set value$='KO16MSWIN949' where name='NLS_CHARACTERSET'; 
update sys.props$ set value$='KO16MSWIN949' where  name='NLS_NCHAR_CHARACTERSET';
update sys.props$ set value$='KOREAN_KOREA.KO16MSWIN949' where name='NLS_LANGUAGE';
commit;
 

재시작한다.
SHUTDOWN IMMEDIATE;
STARTUP MOUNT;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
ALTER DATABASE CHARACTER SET INTERNAL_USE KO16MSWIN949;
SHUTDOWN IMMEDIATE;
STARTUP;

 

- UTF8 -

변경해준다.
update sys.props$ set value$='UTF8' where name='NLS_CHARACTERSET'; 
update sys.props$ set value$='UTF8' where  name='NLS_NCHAR_CHARACTERSET';
update sys.props$ set value$='KOREAN_KOREA.UTF8' where name='NLS_LANGUAGE';
commit;
 

재시작한다.
SHUTDOWN IMMEDIATE;
STARTUP MOUNT;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
ALTER DATABASE CHARACTER SET INTERNAL_USE UTF8;
SHUTDOWN IMMEDIATE;
STARTUP;