title: Query mysql get max and group by
body: <p>please help,
  i want get max "urutan" and group by "ntstk"</p>
  
  <p>result like picture with highlight
  <a href="https://i.stack.imgur.com/ZA40t.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZA40t.png" alt="enter image description here"></a></p>