title: How to replace the name of a country or it's ISO code with a flag emoji
body: <p>I saw a Data Studio dashboard that had the emoji flag of each country instead of its name. How can I get the emojis when I'm building a Data Studio dashboard using data in BigQuery?</p>
  
  <p><a href="https://i.stack.imgur.com/95xSe.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/95xSe.png" alt="enter image description here"></a></p>
  
  <p>(from <a href="https://datastudio.google.com/s/p_EyXtEOKek" rel="nofollow noreferrer">https://datastudio.google.com/s/p_EyXtEOKek</a>)</p>