Not quite sure what you mean, but how about this:
select date_part('day', 'Jul 01 00:00:00 2000 PDT'::datetime-1);
You must specify Jul for June, i.e. always the following month.
You could get around that too, but since I don't know why you
need to do what you asked, I'll leave it at this.
Troy
>
> Ok, if I want to get non-aggregat data in groups, I use order by. This
> group by seemed so logical though, but the fruit that u can't have, is
> usually the most sweet.
>
> New question, how to get the last day of month(order data by last day of
> month). And to prevent chain letter from misunderstanding, no I don't
> intend to look it up from calendar and then input it manually.
>
> A.
>
>
>
