title: SQL Select query using current date time to get the users ages?
body: <p>I want to find age, for example, between 20 to 30 from my table from the current system date.</p>
  
  <p>Below is my table details:</p>
  
  <pre><code>GivenName           DOB
    Raj       1950-06-06 00:00:00.000
    Rahul     1951-01-06 00:00:00.000
    Mohan     1952-11-09 00:00:00.000
    khan      1953-07-24 00:00:00.000
  </code></pre>