title: Drawback of 3rd Normal Form Databases
body: <p>I was asked this question in an interview.</p>
  
  <p>What is the drawback of using 3rd Normal form in databases?<br>
  I know its main advantages which are </p>
  
  <p><strong>1. Duplication is reduced<br>
   2. Data integrity</strong></p>
  
  <p><strong><em>Is there any Drawback of using 3rd Normal form?</em></strong></p>