Re: select max from subquery

yOn Sat, 14 Feb 2009, searchelite wrote:

>
> Dear All
>
> i gave this kind of query
>
> select max(foo) from (select some statement) as foo
>
> but it gave me this error
> ERROR: function max(record) does not exist
>
>
> any help how i can select max value from suqbuery in main query
>

like this:

select max(foo.qq) from (select 1 as qq) as foo;
^^ ^^

> thanks
>

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83