Oracle 11gR2: NLS_CHARACTERSET accidentally removed with an UPDATE-Query

Posted by Marco Nätlitz on Server Fault See other posts from Server Fault or by Marco Nätlitz
Published on 2010-05-27T08:03:39Z Indexed on 2010/05/27 8:12 UTC
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Hi folks,

I have a fresh installation of Oracle 11gr2_x64 on CentOS. After the installation I wanted to get productive and started to import my dumps. One of the dumps caused characterset error so I tried to change the systems character-set to the one specified in the dump.

I ran a statement like this:

UPDATE nls_database_parameters SET parameter='WS....' WHERE parameter=’NLS_CHARACTERSET’;

As you can see: I have written the value of the character-set in the parameter column instead of the value column. I guess I was just too much thinking about the problem instead of checking what I am typing there. After the query the parameter "NLS_CHARACTERSET" is gone and the server reports that the characterset is "(null)".

I want to put the "NLS_CHARACTERSET" paramater back in the table but don't know how. If I try to do something like this

INSERT INTO nls_database_parameters (PARAMETERS, VALUE) VALUES ("NLS_CHARACTERSET", "AL32UTF8");

I get the error:

Fehler bei Befehlszeile:1 Spalte:84
Fehlerbericht:
*Cause: SQL-Fehler: ORA-00984: Spalte hier nicht zulässig
*Action: 00984. 00000 -  "column not allowed here"

Sorry that the error message is in German but it contains the Oracle error code.

Do you have any idea how I can fix that?

Thanks and best regards

Marco

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