title: Best search ways in comma separated values for comma separated option
body: <p>I have user tables which contains column city_id and inside this column city ids are stored as comma separated values as following:</p>
  
  <pre><code>user_id  user_name     city_id    
  1        abc1           1,2,3
  2        abc2           15,2,9
  3        abc5           1,2,13
  </code></pre>
  
  <p>Now I want to search rows which contains city id = <code>1,9,13</code> from city_id column.</p>
  
  <p>How it can be done?</p>
  
  <p>Expected Ouput:</p>
  
  <pre><code>abc, abc1, abc3
  </code></pre>