On 12/4/25 14:17, Rich Shepard wrote:
On Thu, 4 Dec 2025, Adrian Klaver wrote:


So, tweaking from reported errors:
WITH lc AS (SELECT p.person_nbr, max(c.next_contact) AS last_contact
      from people as p, contacts as c
      where next_contact >= '2025-11-01'
      group by p.person_nbr)
select p.person_nbr, p.company_nbr, lc.last_contact
from people AS p
join lc on p.person.nbr = lc.person_nbr;

psql:companies-contacted-2025.sql:9: ERROR:  missing FROM-clause entry for table "person"
LINE 7: join lc on p.person.nbr = lc.person_nbr;

My mistake should be p.person_nbr

                    ^
This is obviously a much more complicated query than I expected.

Thanks,

Rich




--
Adrian Klaver
[email protected]


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