plsql数据库异常---plsql 登录后,提示数据库字符集(AL32UTF8)和客户端字符集(ZHS16GBK)不一致 .
plsql 登錄后提示:
Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different.
Character set conversion may cause unexpected results.
Note: you can set the client character set through the NLS_LANG environment variable or the NLS_LANG registry key in
HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_OraClient11g_home2.
解決辦法:修改注冊表
打開注冊表,‘開始’-‘運行’ 輸入‘regedit’-確定。
找到提示中給出的路徑,
找到 NLS_LANG 鍵,他的值原來是:SIMPLIFIED CHINESE_CHINA.ZHS16GBK
修改為:SIMPLIFIED CHINESE_CHINA.AL32UTF8
重新打開plsql ,登錄,好了。
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還有一種可能是由于安裝11g的時候沒選擇自定義安裝造成的
Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different.
Character set conversion may cause unexpected results.
Note: you can set the client character set through the NLS_LANG environment variable or the NLS_LANG registry key in
HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE/KEY_OraDb11g_home
SIMPLIFIED CHINESE_CHINA.ZHS16GBK 包含 AMERICAN_AMERICA.AL32UTF8.
這可是個麻煩事,不是改客戶端字符集的問題。要改數據庫的字符集:
SQL> conn /as sysdba
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;
ORA-12712: new character set must be a superset of old character set
提示我們的字符集:新字符集必須為舊字符集的超集,這時我們可以跳過超集的檢查做更改:
SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;
--我們看到這個過程和之前ALTER DATABASE CHARACTER SET操作的內部過程是完全相同的,也就是說INTERNAL_USE提供的幫助就是使Oracle數據庫繞過了子集與超集的校驗.
SQL> select * from v$nls_parameters;?
SQL> shutdown immediate;
SQL> startup
SQL> select * from v$nls_parameters;
以后安裝oracle11g的時候記得選擇自定義安裝,把這個字符集的事情事先弄好
總結
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