NLS_COMP and NLS_SORT Initialization Paramaters

I have tried setting the initialization parameters in the SPFile for NLS_COMP=ansi and NLS_SORT=binary_ci.  I apply and recycle the server and the parameters are set.  However, when I perform a query from SQLPLUS, the database is still case sensitive.  If I do SHOW PARAMETER NLS_COMP, the proper values are set.  I can run ALTER SESSIONS and set the parameters to get the query to be case insensitive, but that is not ideal.

I am running Oracle 10gR2.

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I would think that it would work if the sessions showt that. run this and see what it shows...
select * from nls_session_parameters where parameter in ('NLS_COMP','NLS_SORT');
to assure they really are set in the session.

If they aren't it sounds like it miht be a bug of some sort, but I'm not sure what all can affect a session logging in like that. I'm primarily a developer.

At a minimum, to fix this, you could use a login trigger. I use these quite a lot now to assure that the nls parameters are the way I want them and also for setting the schema and I've been using an application context so I set that there too. Anyway, I suspect you already new this... running the alter session in a login trigger is probably the easiest fix... if not a complete answer.

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