title: Unicode character in Oracle database
body: <p>Currently I'm working on Oracle database and want to create a table schema that can accept Unicode character with below query. When i insert the characters they inserted successfully but when i select from table it results as ????. The characters are in Urdu language. As per my requirement i have to create a table schema which can accept English and Urdu characters at the same time. Please help</p>
  
  <pre><code>CREATE TABLE product_information 
  ( product_id          NUMBER(6) 
  , product_name        NVARCHAR2(100) 
  , product_description VARCHAR2(1000));
  INSERT INTO product_information 
  (product_id,product_name,product_description) VALUES (10,'آسان','طاقت')
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/kYBGE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kYBGE.png" alt="Unicode table query"></a></p>
  
  <p><a href="https://i.stack.imgur.com/kie9U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kie9U.png" alt="Database Characterset"></a></p>