How to change Language To Arabic in Toad Oracle

Step 1: Check what NLS_LANGUAGE is being used in your database.

SELECT    (SELECT VALUE
             FROM nls_database_parameters
            WHERE parameter = 'NLS_LANGUAGE')
       || '_'
       || (SELECT VALUE
             FROM nls_database_parameters
            WHERE parameter = 'NLS_TERRITORY')
       || '.'
       || (SELECT VALUE
             FROM nls_database_parameters
            WHERE parameter = 'NLS_CHARACTERSET') LANGUAGE
  FROM DUAL

Step 2: Change the NLS _ LANGUAGE in Toad to the same.

Step 3: Open Toad

Step 4: Click on the button as shown below

Step 5 : Click on the current  NLS_LANGUAGE

Sept 6 : Change it according to the database.
Sept 7 : Save the changes and close toad application then start again.

 Now Connect to the database...