title: How to round off milliseconds value from timestamp(0) in PostgreSQL?
body: <p>I need to round off milliseconds value from <code>timestamp(0) without time zone</code>.</p>
  
  <p>Ex: 2018-04-19 10:43:13.<strong>719</strong> to 2018-04-19 10:43:13.<strong>000</strong> </p>