Until I changed the NLS_COMP and NLS_SORT values

Using Oracle 10 g on Windows Server 2003.

To change the NLS_COMP and NLS_SORT values for insensitive comparison of emphasis in requests (ie: 'a' or 'a' should be the same)

We intend to do:
ALTER SESSION SET NLS_COMP = ANSI;
ALTER SESSION SET NLS_SORT = GENERIC_BASELETTE

So, we hope he allow us to query as:

Select * from table_a where text like "Dad %.

Results:
Dad
Dad

But before you make these changes, I would like to know what are the current settings of the NLS_COMP and NLS_SORT. How can I find them? I read on NLS_SESSION_PARAMETERS, but I think it's things Oracle 11 g.

Once I changed NLS_COMP and NLS_SORT throgu ALTER SESSION, should I restart the service for the instance, so the changes will be permanent?
Thank you

Where did they are defined by default?

Yes, or in pfile equivalent functional or spfile.

Tags: Database

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