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.)
Yep, it's much better.
If you want to get more than just the ID, try:
select * from article order by id desc limit 1;
HTH,
--
Joel Burton <jburton@xxxxxxx>
Director of Information Systems, Support Center of Washington
---------------------------(end of broadcast)---------------------------
TIP 2: you can get off all lists at once with the unregister command
(send "unregister YourEmailAddressHere" to majordomo@xxxxxxxxxxxxxx)
