title: What are keys used for in MySQL?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/924265/mysqls-key-keyword">mySQL&#39;s KEY keyword?</a>  </p>
  </blockquote>
  
  
  
  <p>Like</p>
  
  <pre><code>PRIMARY KEY (ID),
  KEY name (name),
  KEY desc (desc),
  </code></pre>
  
  <p>etc.</p>
  
  <p>what are they useful for?</p>