<p>The query mode of the [[Clients]] allows you to bind external variables to a query
and evaluate the query in an iterative manner. For this, you need to call the The <code>query()</code> functionof the <code>Session</code> instance with your defined query. This will return returns a new query object,which comes with a forward-only iteratorinstance. Variables can be bound to the query using the<code>bind()</code> function of the query object.</p>
==Usage==