Re: psql with PHP question

On Thu, 3 May 2001, Gyozo Papp wrote:

> In my opinion, these queries make the same :
> SELECT id FROM article WHERE id=(SELECT MAX(id) FROM article);
> SELECT MAX(id) FROM article;
>
> but the latter one is much more simple and you do not overload your pg.
> (by the way, I think id = (SELECT ...) isn't handled gracefully.)

Hi, although I agreee with the first part: the subselect is redundat in
this case, I don't understand de second one. The subselect will return one
value, or am I wrong? So, I think the operator = will be correct, or not?

Saludos, jesus.