RE: Is it possible to do a 'Select FIRST x - records' in SQL

[Chris Payne <CPayne@xxxxxxxxxxxxxxx>]

Jeff what release are you on because I just tried your limit syntax on v5r1
and it failed.

Chris

-----Original Message-----
From: Jeffrey Lee [mailto:jeff@xxxxxxxxxxxxxxxxxxx] 
Sent: Tuesday, August 10, 2004 2:02 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Is it possible to do a 'Select FIRST x - records' in SQL 

Or you could use a limit

SELECT * FROM contact LIMIT 5

----- Original Message ----- 
From: "Chris Payne" <CPayne@xxxxxxxxxxxxxxx>
To: "'RPG programming on the AS400 / iSeries'" <rpg400-l@xxxxxxxxxxxx>
Sent: Tuesday, August 10, 2004 12:48 PM
Subject: RE: Is it possible to do a 'Select FIRST x - records' in SQL


> I can't tell what you are doing with that statement, but if your question
is
> "how do I select first x - records" you can do the following
>
> Select foo , bar
> >From foobar
> Where
> Foo = 5 fetch first 10 rows only
>
> Chris
>
> -----Original Message-----
> From: Corteville, Thierry [mailto:Thierry.Corteville@xxxxxxxxx]
> Sent: Tuesday, August 10, 2004 6:29 AM
> To: 'rpg400-l@xxxxxxxxxxxx'
> Subject: Is it possible to do a 'Select FIRST x - records' in SQL
>
> I'm having a production order file wich contains Po-nbr and a week
>
> Po-nbr      : nprod
>
> Start-week : dplsw
>
> Tool-nbr   : ntool
>
>
>
>
>
> I want to retrieve  only the first PO-nbr to start.... but it is possible
to
> have 2 or more Po's starting the same date... in that case I only want the
> first PO-nbr
>
>
>
> What I did so far ...
>
> with whpo (wntool, wdplsw)
>
>  as (select ntool, min(dplsw)  from pofile
>
>      group by ntool)
>
> select nprod, dplsw, ntool, wntool, wdplsw
>
> from pofile left outer join whpo
>
>    on wntool=ntool and wdplsw=dplsw
>
>
>
> But the what I want to avoid 'duplicate records... what I would need in
fact
> is a select first....
>
>
>
> Anyone good ideas ?
>
>
>
>
>
> Thierry
>
>
>
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