title: How to drop system tables in phoenix
body: <p>Need to drop system table in phoenix.</p>
  
  <p>SYSTEM.CATALOG &amp;  SYSTEM.SEQUENCE</p>
  
  <pre><code>drop table SYSTEM.CATALOG;
  
  Table undefined. tableName=SYSTEM.CATALOG 
  </code></pre>
  
  <p>select * from SYSTEM.CATALOG is working</p>
  
  <p>Also not able to drop from habse.
  (Saying table not disabled exception)</p>