Extract only maximum date from column - Mailing list pgsql-general

From Rich Shepard
Subject Extract only maximum date from column
Date
Msg-id db81f086-e1a5-5798-f9bd-5bed5b1bc7f4@appl-ecosys.com
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Re: Extract only maximum date from column
Re: Extract only maximum date from column
Re: Extract only maximum date from column
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I want the script to extract only the maximum `next_contact' date and
haven't learned how to do this from my reading of web sites.

The script:

select p.person_nbr, p.company_nbr, c.next_contact
from people as p, contacts as c
where c.next_contact >= '2025-11-01'
group by p.person_nbr, p.company_nbr, c.next_contact
order by p.person_nbr, p.company_nbr, max(c.next_contact);

returns all contacts rather than only the latest one.

Is using a sub-select the proper way?

TIA,

Rich



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