RE: SQL Question

["Wilt, Charles" <WiltC@xxxxxxxxxx>]

Different set of files, or the same set of files from different libraries?

If the same set of files from different libraries then you should be able to 
use static SQL instead of
dynamic assuming that you are not using qualified names. 

HTH,
Charles


> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx 
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Young
> Sent: Tuesday, April 03, 2007 12:37 PM
> To: RPG programming on the AS400 / iSeries
> Subject: Re: SQL Question
>
> The SQL statement will be Dynamic as I may be using a 
> different set of files each time I execute the command.
>
> Thanks,
>  
> Jeff Young
> Sr. Programmer Analyst
> Dynax Solutions, Inc.
> A wholly owned subsidiary of enherent Corp.
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> ----- Original Message ----
> From: "Wilt, Charles" <WiltC@xxxxxxxxxx>
> To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
> Sent: Tuesday, April 3, 2007 12:27:06 PM
> Subject: RE: SQL Question
>
>
> Parameter markers are used with dynamic SQL.
>
> Host fields for static.
>
> Static performs better than dynamic.
>
> If you can use static. Then I recommend you do so.
>
> Charles
>
>
> > -----Original Message-----
> > From: rpg400-l-bounces@xxxxxxxxxxxx
> > [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Young
> > Sent: Tuesday, April 03, 2007 12:18 PM
> > To: rpg400-l@xxxxxxxxxxxx
> > Subject: SQL Question
> >
> > I have 2 files with a 1 to N relationship where I need to select a 
> > common field from the 2nd file.
> > Since there is a 1 to N, I can not use SELECT INTO, but must use 
> > SELECT with either DISTINCT or GROUP BY.
> > The selection criteria will vary every time I need to select this 
> > data.
> > Is it better to use the host fields in the SELECT statement WHERE 
> > clause, or to use Parameter Markers and put the host fields in the 
> > OPEN statement?
> >
> > Thanks,
> >  
> > Jeff Young
> > Sr. Programmer Analyst
> > Dynax Solutions, Inc.
> > A wholly owned subsidiary of enherent Corp.
> > IBM -e(logo) server Certified Systems Exper - iSeries Technical 
> > Solutions V5R2 IBM  Certified Specialist- e(logo) server i5Series 
> > Technical Solutions Designer V5R3 IBM Certified Specialist- 
> > e(logo)server i5Series Technical Solutions Implementer V5R3
> >
> >
> >  
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