Re: Selecting table row with latest date

> On Aug 19, 2021, at 10:06 AM, Rich Shepard <rshepard(at)appl-ecosys(dot)com> wrote:
>
> On Thu, 19 Aug 2021, Adrian Klaver wrote:
>
>> Alright now I am confused. You keep referring to contact_date, yet the
>> query is referring to next_contact. Are they the same thing, different
>> things or other?
>
> Adrian,
>
> The table has 5 columns: person_nbr, contact_date, contact_type, notes, and
> next_contact.
>
> I want the query to find all person_nbr whose most recent contact_date has a
> next_contact date <= today. I don't need prior contact_dates and their
> next_contact dates because some go back several years. I want to know those
> I need to contact again based on our most recent contact.
>
> HTH,
>
Did you try David J’s suggestion? or maybe
select person_nbr, max(next_contact) group by person_nbr where next_contact < now();

A table with person_nbr (pk), next_contact would make this much easier. Seems to me a person can only have one next-contact? (as opposed to all future_contact)

> Rich
>
>