title: How to add a fixed value to a int column in mysql without using SUM
body: <p>I hav a simple query </p>
  
  <pre><code> SELECT id from table1
  </code></pre>
  
  <p>I want to ad 20000 to each id but i don't want to use SUM() (That's because i can't use GROUP BY)</p>
  
  <p>How can i do that?</p>