title: What does "WHERE 1" mean in SQL?
body: <p>Sometimes phpMyAdmin generates queries like:</p>
  
  <pre><code>SELECT * 
  FROM  `items` 
  WHERE 1 
  LIMIT 0 , 30
  </code></pre>
  
  <p>I wonder if <code>WHERE 1</code> has any meaning in a query like that.</p>