On Friday, October 4, 2024, Adw Spe <h(dot)3stnc4kdbem6q_8p(at)outlook(dot)com> wrote:
> Maybe I’m wrong, but I think every subquery must at least have a
> SELECT-FROM pair.
>
You are indeed wrong - at least for PostgreSQL. No query requires a from
clause in PostgreSQL.
David J.