title: How to compare two value of column in mysql
body: <p>Hi I have two table in mysql database 
  and stored values like this </p>
  
  <pre><code>    @v1(column for 1s table) = '1,2,3,4'
      @v2(column for 2nd table) = '1,2,3,4,5,6,7'
  </code></pre>
  
  <p>I want to compare them and return true is anything matches.
  Any help would be appreciated.</p>
  
  <p>return true if any value matches
  else false</p>