title: MySQL change row as column
body: <p>here i have a result query, there's <code>service_id</code> 50 show twice because have two <code>servenginer_enginer_id</code> but if <code>service_id</code> show twice, i want to make as comma so <code>servenginer_enginer_id</code> is <code>51,53</code> how to do that ?</p>
  
  <p>HERE is the screenshot of my table-</p>
  
  <p><a href="https://i.stack.imgur.com/CTila.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CTila.png" alt="enter image description here"></a></p>
  
  <p>*sorry for my bad english</p>
  
  <p>Thank you</p>