title: Is it possible to add a column with alter table if the column that i'm adding has a type created by me?
body: <p>Is it possible to add a column with alter table if the column that i'm adding has a type created by me?  </p>
  
  <p>This is the code :   </p>
  
  <pre><code>CREATE OR REPLACE TYPE istoric IS table OF number(6,2);  
  ALTER TABLE studenti ADD (history istoric) NESTED TABLE history STORE AS lista_tab;
  </code></pre>
  
  <p>I get the error :  </p>
  
  <blockquote>
    <p>ORA-01031: insufficient privileges.</p>
  </blockquote>
  
  <p>I already tried to grant priviliges, but it doesn't change anything.</p>