title: Transposing in Standard SQL - BigQuery
body: <p>I would like know how to transpose rows into columns using BigQuery's Standard SQL.  </p>
  
  <p>I have read some post about this, but most of them use BigQuery's legacy function "GROUP_CONCAT_UNQUOTED", which does not exist in the Standard SQL version.</p>
  
  <p>This is my data structure:</p>
  
  <p><a href="https://i.stack.imgur.com/RtF7F.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RtF7F.png" alt="enter image description here"></a></p>
  
  <p>This is what I would to achieve:</p>
  
  <p><a href="https://i.stack.imgur.com/VBZnY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VBZnY.png" alt="enter image description here"></a></p>
  
  <p>Thanks for your help.</p>