title: MySQL - count where id contained in a string
body: <p>My table is called "asd"</p>
  
  <p>I have this schema:</p>
  
  <pre><code>id        |  date     |  content |
  AUTO_INC    DATETIME    LONGTEXT
  </code></pre>
  
  <p>now assuming <code>content = 45,67,89,3,45,5</code></p>
  
  <p>how do i <code>search COUNT()</code> in this table <code>WHERE content CONTAINS 89</code> for example ?</p>
  
  <p>i tryed <code>SELECT COUNT() FROM asd WHERE content IN(89);</code> but i got no results.</p>