Using the API ============= .. toctree:: :maxdepth: 2 client-intro client cluster instance table column-family row row-data row-filters In the hierarchy of API concepts * a :class:`Client ` owns an :class:`Instance ` * an :class:`Instance ` owns a :class:`Table ` * a :class:`Table ` owns a :class:`ColumnFamily ` * a :class:`Table ` owns a :class:`Row ` (and all the cells in the row)