title: Remove null values in SQL server
body: <p><img src="https://i.stack.imgur.com/jGwQD.jpg" alt="id and languages descriptions"></p>
  
  <p>Hello, Does anuone knows how can I remowe the null values corresponding to the description of the same product key? So, I have one product Key and its description in each language. </p>
  
  <p>I'm trying to use the coalesce function, but it doesnt return me anything. </p>