title: format number after count it first in mysql
body: <p>I need to format the resulted number after count it first</p>
  
  <pre><code>select
  count(`mybooks.IDbook') as book
  from mybooks
  </code></pre>
  
  <p>the query returns e.g. 3456
  and I need to format is as 3.456
  thank's</p>