Oracle日常运维之字符集修改

SQL> select userenv('LANGUAGE') from dual;
USERENV('LANGUAGE')
AMERICAN_AMERICA.WE8ISO8859P1
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SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
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SQL> startup mount 
ORACLE instance started.
Total System Global Area 1728053248 bytes
Fixed Size                  1219832 bytes
Variable Size             402653960 bytes
Database Buffers         1308622848 bytes
Redo Buffers               15556608 bytes
Database mounted.
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SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION; 
System altered.


SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
System altered.
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SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0; 
System altered.
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SQL> alter database open;
Database altered.
SQL> alter database character set INTERNAL_USE ZHS16GBK;
Database altered.


或者修改为AL32UTF8
SQL> ALTER DATABASE character set INTERNAL_USE AL32UTF8;  
Database altered.
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SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> select userenv('LANGUAGE') from dual;
USERENV('LANGUAGE')
AMERICAN_AMERICA.ZHS16GBK
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startup;
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alter system disable restricted session ；   
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