title: How to Change Oracle Encoding to AL32UTF8 in SQLPlus in Windows
body: <p>Iused the following command to test my Oracle current encoding</p>
  
  <pre><code>select userenv('language') from dual;
  select * from v$nls_parameters where parameter='NLS_CHARACTERSET';
  select * from nls_database_parameters
  select * from nls_instance_parameters
  select * from nls_session_parameters
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/liRvG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/liRvG.png" alt="enter image description here"></a></p>
  
  <p>But what I want is AL32UTF8. How to change the encoding to AL32UTF8. Thanks~</p>