title: Cassandra update column
body: <p>how can i update column in cassandra database??</p>
  
  <pre><code>columnfam{
    username{
      name:edds,
      surname:surname,
      email:mymail@rrr.com
    }
  }
  </code></pre>
  
  <p>for example i need update surname??</p>
  
  <p>im using php client PHPCASSA.</p>
  
  <p>thanx</p>