title: SQL query to select from same column but multiple values
body: <p>This is my table.</p>
  
  <pre><code>id  customer        product 
  1   Tizag           Pen 
  4   Gerald Garner   19" LCD Screen  
  5   Tizag           19" LCD Screen  
  </code></pre>
  
  <p>I want to select the customer who has both "Pen" and '19" LCD Screen'. So, the result with be customer 'Tizag'.</p>
  
  <p>How can I do this.</p>
  
  <p>Thanks And Regards,
  Rupak Banerjee.</p>