Re: simple problem??? - Mailing list pgsql-sql

From Richard Broersma Jr
Subject Re: simple problem???
Date
Msg-id 20060720204752.51889.qmail@web31813.mail.mud.yahoo.com
Whole thread Raw
In response to simple problem???  (ivan marchesini <marchesini@unipg.it>)
List pgsql-sql
> A|B|C
> 1|2|20
> 1|3|10
> 1|4|21
> 2|3|12
> 2|4|22
> 3|4|23
> 1|3|10
> 2|3|12
> 3|4|23
> -select all records where A=1, 
> -find, into this selection, the record where there's the minimum value
> of the field C 
> -print all the fields for this record.

maybe this will work;

select a,b,c
from table as T1
join (select a, min(c) as minc from table group by a) as T2
on (t1.a = t2.a) and (t1.c = t2.c)
;

Regards,

Richard Broersma Jr.


pgsql-sql by date:

Previous
From: George Weaver
Date:
Subject: Re: Error when trying to use a FOR loop
Next
From: Tom Lane
Date:
Subject: Re: Help with privilages please