title: Determine age from stored date of births
body: <p>I've only seen SQL calculated ages from DOBs that are passed as parameters. How would I go about doing this from already stored DOBs as <code>date</code> type?</p>
  
  <p>I thought this would work but it returns no rows despite having DOBs from 2000 - 2006</p>
  
  <pre><code>Select DateDiff(YEAR, dob, CURRENT_TIMESTAMP) as ageYears
  from users
  </code></pre>