perhaps you are looking for something like
select entry,timestamp from table A where A.timestamp=(select max(B.timestamp) from table
B where a.entry=b.entry);
also this oage may be helpful:
Am 30.11.2012 02:39, schrieb hsv@stripped:
>>>>> 2012/11/29 11:46 +0530, Trimurthy >>>>
> i have a table which contains the columns
> date,sname,age,item,quantity,units.my question is i want to retrieve all
> the values from the table where date=maxdate group by sname how can i get
> those values.
> A question, I suspect, found in all SQL courses....