zOs/TX/PER15UPD

insert into A540769.tper15 (txt ) values ('insert jetzt');
select ix, hex(rid(t)), row change timestamp for t, tst, txt
    from A540769.tper15 t
;
update A540769.tper15 t set txt = strip(left(txt,80)) || '--update--'
                                || char(current timestamp)
  --  where mod(ix, 50) = 5
;
select ix, hex(rid(t)), row change timestamp for t, tst, txt
    from A540769.tper15 t
;