Re: MAX without FROM

On Thu, 2006-01-12 at 13:14, Angshu Kar wrote:
> What are 1 ,2 and 3 in your query?
>
> Here is my inner query which returns a set of min values. I want to
> get the max out of the returned mean values...
>
> select min(evalue) as M from distance where query_id
> in (select entry_id from partition where partition = 849)
>
> On 1/12/06, Scott Marlowe <smarlowe(at)g2switchworks(dot)com> wrote:
> On Thu, 2006-01-12 at 12:58, Angshu Kar wrote:
> > Hi,
> >
> > Can I use Select max(a field returned from another query)?
> > say, another query returns say 10,1,2,3,6,7
>
> Does this form help you:
>
> select max(a) from (select 1 as a union select 2 union select
> 3) as b;

The select 1 as a union ... part was just showing where you could put a
REAL query that had multiple rows.

Where is your evalue coming from, is that from partition? If so, you
might be better off with a join of some kind. Maybe if you explain a
little more what your data sets are and what you're trying to get from
them...