title: query_cache_type: enable or disable?
body: <p>Recently, I moved from standard MySQL to <code>Percona</code>, and used the <a href="https://tools.percona.com/wizard" rel="noreferrer">Percona Wizard</a> to generate <code>my.cnf</code>. </p>
  
  <p>However, I  can see that, by default, the generated settings for <code>my.cnf</code> use <code>query_cache_type = 0</code>. (query cache is disabled).</p>
  
  <p>The only thing I run on the server is a Wordpress blog. My questions are:</p>
  
  <ol>
  <li>May I enable query cache?</li>
  <li>There are some Wordpress plugins that offer database cache. Is the result similar of enabling query cache?</li>
  </ol>