* Return a query instance for the specified query:<br/><code>Query query(String query)</code>
* Create a database from an input stream:<br/><code>void create(String name, InputStream ininput)</code>
* Add a document to the current database from an input stream:<br/><code>void add(String path, InputStream ininput)</code>
* Replace a document with the specified input stream:<br/><code>void replace(String path, InputStream ininput)</code>
* Store raw data at the specified path:<br/><code>void store(String path, InputStream ininput)</code>
* Watch the specified event:<br/><code>void watch(String name, Event notifier)</code>
===Query===
* Create query instance with session and query:<br/><code>Query(Session ssession, String query)</code>
* Bind an external variable:<br/><code>void bind(String name, String value, String type). The type can be an empty string.</code>