The encoding of an Oracle instance can be checked by sending the appropriate queries:
- from the level of aSISt application
- after login to the Oracle database
I. To check the encoding of the installed Oracle database from aSISt application level, select:
ALT + A -> aSISt information -> button: ‘SQL Console’
At the top of the displayed window:
- enter the query:
select * from NLS_DATABASE_PARAMETERS
where parameter=’NLS_CHARACTERSET‘
- select the button:

as shown in the figure below:

II. To check the encoding after login to the Oracle database:
- add the semicolon to the query given above, so that it has the form:
select * from NLS_DATABASE_PARAMETERS
where parameter=’NLS_CHARACTERSET’;