oracle11g 修改字符集 修改为ZHS16GBK


1.cmd下,cd到oracle数据库软件的服务器端 如:D:\app\Administrator\product\11.2.0\dbhome_1\BIN

2.输入set ORACLE_SID=你想进入的数据库的那个sid

3.输入 sqlplus /nolog

4.将数据库启动到RESTRICTED模式下做字符集更改: 

SQL> conn /as sysdba 

Connected. 

SQL> shutdown immediate; 

Database closed. 

Database dismounted. 

ORACLE instance shut down. 

SQL> startup mount 

ORACLE instance started. 

Total System Global Area  236000356 bytes 

Fixed Size                   451684 bytes 

Variable Size             201326592 bytes 

Database Buffers           33554432 bytes 

Redo Buffers                 667648 bytes 

Database mounted. 

SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION; 

System altered. 

SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0; 

System altered. 

SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0; 

System altered. 

SQL> alter database open; 

Database altered. 

SQL> ALTER DATABASE CHARACTER SET ZHS16GBK; 

ALTER DATABASE CHARACTER SET ZHS16GBK 



ERROR at line 1: 

ORA-12712: new character set must be a superset of old character set 

 

提示我们的字符集:新字符集必须为旧字符集的超集,这时我们可以跳过超集的检查做更改: 

SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK; 

Database altered. 

SQL> select * from v$nls_parameters; 

略 

19 rows selected. 

重启检查是否更改完成: 

SQL> shutdown immediate; 

Database closed. 

Database dismounted. 

ORACLE instance shut down. 

SQL> startup 

ORACLE instance started. 

Total System Global Area  236000356 bytes 

Fixed Size                   451684 bytes 

Variable Size             201326592 bytes 

Database Buffers           33554432 bytes 

Redo Buffers                 667648 bytes 

Database mounted. 

Database opened. 

SQL> select * from v$nls_parameters; 

alter system disable restricted session;   

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