What are returning the FETCH functions from Zend_Db

Continuing the Zend_DB article series, we are stopping now at FETCH methods that are in Zend_Db_Adapter_Abstract: array fetchAll (string|Zend_Db_Select $sql, [mixed $bind = array()], [mixed $fetchMode = null]) array fetchAssoc (string|Zend_Db_Select $sql, [mixed $bind = array()]) array fetchCol (string|Zend_Db_Select $sql, …