《修改props$.NLS_CHARACTERSET导致ORA-00900异常恢复》的评论 https://www.xifenfei.com/2013/08/%e4%bf%ae%e6%94%b9props-nls_characterset%e5%af%bc%e8%87%b4ora-00900%e5%bc%82%e5%b8%b8%e6%81%a2%e5%a4%8d.html 提供7*24专业数据库(Oracle,SQL Server,MySQL,PostgreSQL等)恢复和技术支持@Tel:17813235971 Thu, 11 Dec 2025 02:46:14 +0000 hourly 1 作者：惜分飞 https://www.xifenfei.com/2013/08/%e4%bf%ae%e6%94%b9props-nls_characterset%e5%af%bc%e8%87%b4ora-00900%e5%bc%82%e5%b8%b8%e6%81%a2%e5%a4%8d.html/comment-page-1#comment-3938 Thu, 05 Jun 2014 05:46:32 +0000 https://www.xifenfei.com/?p=4645#comment-3938 anga,

你使用bbed找回来被修改的前一条记录，就可以了

需要你对bbed比较熟悉

]]> 作者：anga https://www.xifenfei.com/2013/08/%e4%bf%ae%e6%94%b9props-nls_characterset%e5%af%bc%e8%87%b4ora-00900%e5%bc%82%e5%b8%b8%e6%81%a2%e5%a4%8d.html/comment-page-1#comment-3937 Wed, 04 Jun 2014 14:21:13 +0000 https://www.xifenfei.com/?p=4645#comment-3937 下午好。
我有相同的症状，并受到显著数据库被蒸发。
DUL，ODU，BBED你怎么能修复它，因为没有人回答我是否会很感激。

在有关信息的底部。

原因
SQL> update sys.props$ set value$ = ‘AL16UTF16′ where name=’NLS_CHARACTERSET’;
SQL> COMMIT;
SQL> SHUTDOWN IMMEDIATE;

失败
SQL>STARTUP NOMOUNT;

ORACLE instance started.

Total System Global Area 9887760384 bytes
Fixed Size 2229944 bytes
Variable Size 3489663304 bytes
Database Buffers 6375342080 bytes
Redo Buffers 20525056 bytes

SQL> SELECT * FROM DUAL;

ADDR INDX INST_ID DU
—————- ———- ———- –
0000000110268CA8 0 1 X

SQL> ALTER DATABASE MOUNT;

Database altered.

SQL> SELECT * FROM DUAL;
SELECT * FROM DUAL
*
ERROR at line 1:
ORA-00900: invalid SQL statement

SQL> ALTER DATABASE OPEN;
ALTER DATABASE OPEN
*
ERROR at line 1:
ORA-00900: invalid SQL statement

alertLog

Updating character set in controlfile to AL16UTF16
Errors in file /oracle/diag/rdbms/nydb/NYDB/trace/NYDB_ora_58261694.trc:
ORA-00604: error occurred at recursive SQL level %s
ORA-00900: invalid SQL statementursive SQL level %s

谢谢。
多多保重。

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