title: Oracle Database - Different between C## user and Regular user?
body: <p>Hello I want to know what's different between </p>
  
  <pre><code>Create User C##USERNAME 
  </code></pre>
  
  <p>and </p>
  
  <pre><code>Create user USERNAME 
  </code></pre>
  
  <p>in oracle database? Oracle 19c</p>