ماطريقة تغيير لغة الرد في Sqlplus

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For example, to use AMERICAN language and conventions in your current session, enter

ALTER SESSION SET NLS_LANGUAGE='AMERICAN';

ALTER SESSION SET NLS_TERRITORY='AMERICA';

Configuring AMERICAN Support in SQL*Plus on Windows

1. Ensure you have exited your current SQL*Plus session.
   
2. My computer > Properties > Advanced.
   
3. Click the Advanced tab and select Environment Variables.
   
4. Create a new environment variable, NLS_LANG, with a value of AMERICAN_AMERICA.UTF8
   
5. You may need to restart Windows for this setting to take effect.
   

:)