* Create query instance with session and query:<br/><code>Query(Session session, String query)</code>
* Bind an external variable:<br/><code>void bind(String name, String value, String type)</code>.<br/>The type can be an empty string.
* Bind the context item:<br/><code>void context(String value, String type)</code>.<br/>The type can be an empty string.
* Execute the query and return the result:<br/><code>String execute()</code>