Re: Help retrieving lastest record

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От Alex Pilosov
Тема Re: Help retrieving lastest record
Дата
Msg-id Pine.BSO.4.10.10102161549470.13453-100000@spider.pilosoft.com
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Ответ на Help retrieving lastest record  (Steve Meynell <steve@candata.com>)
Список pgsql-sql
Get an SQL book.

select * from basket 
where date=(select max(date) where fruit='Apples) 
and fruit='Apples';

On Thu, 15 Feb 2001, Steve Meynell wrote:

> Ok what I am trying to do is select out of the database the latest
> record meeting a certain criteria.
> 
> Example:
> 
> Number             |        Fruit         |     Date
> 15                                Apples          July 20, 1999
> 20                                Oranges        June 7, 2000
> 13                                 Pears            Jan 31, 2000
> 17                                 Apples         April 10, 1999
> Now what I need to do is select the oranges out because the date is the
> latest one, something like:
> 
> select * from basket where max(date);
> This would yield me:
> 20                                Oranges        June 7, 2000
> 
> I know this doesn't work but I need something like it.
> or something like
> 
> select * from basket where max(date) and fruit='Apples';
> This would yield me:
> 15                                Apples          July 20, 1999
> 
> Thank you in advance,
> 
> 
> --
> Steve Meynell
> Candata Systems
> 
> 
> 



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