On 2017-05-05 10:25, Gary Stainburn wrote:
> This question has been asked a few times, and Google returns a few
> different
> answers, but I am interested people's opinions and suggestions for the
> *best*
> wat to retrieve the most recent row from a table.
>
> My case is:
>
> create table people (
> p_id serial primary key,
> ......
> );
>
> create table assessments (
> p_id int4 not null references people(p_id),
> as_timestamp timestamp not null,
> ......
> );
>
> select p.*, (most recent) a.*
> from people p, assessments a
> ..
> ;
It depends on what you mean by 'most recent'. Do you mean "the row I
just inserted" or "the row with a date closest to now()" or perhaps some
other definition?