/**
* Returns an SQL statement for preparation.
*
* @param string $sql The SQL statement with placeholders.
* @return Zend_Db_Statement_Oracle
*/
public function prepare($sql)
{
$this->_connect();
$stmt = new Zend_Db_Statement_Oracle($this, $sql);
$stmt->setFetchMode($this->_fetchMode);
return $stmt;
}
