---1---修改数据库里的字符集
---中文字符集转英文字符集
--英文
update sys.props$ set value$='US7ASCII' where name='NLS_CHARACTERSET';
commit;
update sys.props$ set value$='US7ASCII' where name='NLS_NCHAR_CHARACTERSET';
commit;
---2---修改强制同步数据库里的字符集
SHUTDOWN IMMEDIATE;
STARTUP MOUNT;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
---给CHARSET变量赋值
COL VALUE NEW_VALUE CHARSET
SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET';
COL VALUE NEW_VALUE NCHARSET
SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_NCHAR_CHARACTERSET';
--INTERNAL_USE是没有写在文档中的参数,用以强制完成字符集一致化
ALTER DATABASE CHARACTER SET INTERNAL_USE &CHARSET;
--ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE &NCHARSET;
-- 再次启动数据库一遍
SHUTDOWN IMMEDIATE;
STARTUP;
set nls_lang=AMERICAN_AMERICA.US7ASCII;
---英文字符集转中文字符集
update sys.props$ set value$='ZHS16GBK' where name='NLS_CHARACTERSET';
commit;
update sys.props$ set value$='ZHS16GBK' where name='NLS_NCHAR_CHARACTERSET';
commit;
---2---修改强制同步数据库里的字符集
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;
---给CHARSET变量赋值
COL VALUE NEW_VALUE CHARSET
SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET';
COL VALUE NEW_VALUE NCHARSET
SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_NCHAR_CHARACTERSET';
--INTERNAL_USE是没有写在文档中的参数,用以强制完成字符集一致化
ALTER DATABASE CHARACTER SET INTERNAL_USE &CHARSET;
--ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE &NCHARSET;
-- 再次启动数据库一遍
SHUTDOWN IMMEDIATE;
STARTUP;
set nls_lang=SIMPLIFIED CHINESE_CHINA.ZHS16GBK;
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/26015009/viewspace-709032/
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