no, I am using id, field2 and time in my query.
>You're using id and time only in your query.
>
>>After id, field2 and time? no way.
>>
>>>How would you distihguish 2 records with the same key than?
>>>
>>>>Okay, sorting is done by id, field2, then time. The computer does the sort past that. I think Null comes before not null fields. Id and field2 will never be Null for this situation. And yes there can be more then 1 record per period with Null.
>>>>