dba_firstkey Fetch first key stringdba_firstkey resourcehandle dba_firstkey returns the first key of the database specified by handle and resets the internal key pointer. This permits a linear search through the whole database. Handle is a database handle returned by dba_open. dba_firstkey returns the key or &false; depending on whether it succeeds or fails, respectively. See also: dba_firstkey, dba_key_split and example 2 in the DBA examples