Renato,

No, not quite (at least not in my experience).
Yes, *your* example can lead to difficulties when the current selected area is at EOF(), but Marc's question has the "IN" clause included and I have never had a "surprise" with it coded.

Cheers,
Jim N

>>> Try this...
>>> SELECT GRUPOS
>>> REPLACE COD_GRU WITH ALLT(COD_GRU)
>>>
>>> or (but I've heard there are problems with this)
>>>
>>> REPLACE COD_GRU WITH ALLT(GRUPOS.COD_GRU) IN GRUPOS
>>>
>>> HTH
>>
>>scuse me. What kind of problems. I've used this quiet often without
>>problem.
>>
>>Marc
>
>Hi Marc,
>
>You may run into problems if you forget to SELECT the appropriate Alias before issuing the REPLACE command - even if you specify the alias name like:
>
>REPLACE ALIAS.field WITH ....
>
>If the Alias is not on the current work area the results could be unpredictable.
>
>Renato