db_handle=db_open(filename,type,mode)

retval=db_ixopen(db_handle,field_nr/name,ntxfilename)

rec_handle=db_get(db_handle,recno[,lock])

rec_handle=db_append(db_handle)

value=db_fget(rec_handle,fieldnr/name[,pad])

ret_val=db_fput(rec_handle,fieldnr/name,data)

db_rls(rec_handle)

db_close(db_handle)

num_recs=db_nrecs(db_handle)

num_recs=db_nfields(db_handle)

no_chars=db_fwidth(db_handle,field_nr/name)

field_name=db_fname(db_handle,field_nr)

db_rlsall()

rec_num=db_first(db_handle,fieldnr/name,search_term)

rec_num=db_next([exact_flag])

rec_num=db_prev([exact_flag])

key_value=db_key()

rec_num=db_recnum(rec_handle)

db_flock(db_handle,on_or_off)