title: How do you exclude weekends from a date_sub?
body: <p>I am trying to use date_sub to subtract the current date - 11 days. I would like to exclude weekends.. this is what I have so far:</p>
  
  <pre><code>DATE_SUB(now(), INTERVAL 11 day)
  </code></pre>
  
  <p>not to sure how to exclude weekends... any help is appreciated.</p>