Oracle修改字符集

 

oracle修改服务器端字符集:
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 ZHS16GBK; 
如果出现了 ERROR at line 1: ORA-12712: new character set must be a superset of old character set     

SQL> ALTER DATABASE character set INTERNAL_USE zhs16gbk; # 使用INTERNAL_USE可以跳过超集的检查,ALTER DATABASE character set INTERNAL_USE   

SQL>SHUTDOWN IMMEDIATE;   
SQL>STARTUP 再检查就发现已经把字符集修整过来了
查看字符集:  SELECT * FROM NLS_DATABASE_PARAMETERS ;

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