dba_nextkey
Description
string dba_nextkey ( resource handle)dba_nextkey() returns the next key of the database specified by handle and advances the internal key pointer.
handle is a database handle returned by dba_open().
dba_nextkey() 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