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  1.  Home
  2. RPG400-L
  3. May 2006

RE: Use SQL instead of RPG?

I could only imagine that the original poster wanted to build a workfile in
batch, like overnight, so that the interactive process can use the
workfile.

Personally, myself, I wouldn't want to kick off a batch job and then have
the interactive job wait for completion of the batch job.  I suppose it
really doesn't matter except that it may confusing to the next programmer.

Michael Schutte



                                                                           
             "Wilt, Charles"                                               
             <CWilt@xxxxxxxxxx                                             
             om>                                                        To 
             Sent by:                  "RPG programming on the AS400 /     
             rpg400-l-bounces@         iSeries" <rpg400-l@xxxxxxxxxxxx>    
             midrange.com                                               cc 
                                                                           
                                                                   Subject 
             05/18/2006 11:02          RE: Use SQL instead of RPG?         
             AM                                                            
                                                                           
                                                                           
             Please respond to                                             
              RPG programming                                              
              on the AS400 /                                               
                  iSeries                                                  
             <rpg400-l@midrang                                             
                  e.com>                                                   
                                                                           
                                                                           




Not really.

You can have a batch program watching a data queue, when a request is
placed in the data queue by the subfile program the batch program runs
the SQL and stuffs the output into another data queue for the subfile
program to pick up.

You could even have multiple batch jobs running to allow multiple
requests to be processed at the same time.

It's a nice technique to avoid the "Interactive tax".



Charles Wilt
--
iSeries Systems Administrator / Developer
Mitsubishi Electric Automotive America
ph: 513-573-4343
fax: 513-398-1121


> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Hayes, Danny
> Sent: Thursday, May 18, 2006 9:30 AM
> To: RPG programming on the AS400 / iSeries
> Subject: RE: Use SQL instead of RPG?
>
> Batch and subfile processing are mutually exclusive.
>
> Danny Hayes
> Senior Application Programmer
> Financial Systems
>  FNIS
> 904.357.1586 (Office)
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Lim Hock-Chai
> Sent: Thursday, May 18, 2006 9:22 AM
> To: RPG programming on the AS400 / iSeries
> Subject: RE: Use SQL instead of RPG?
>
> Isn't it kinda strange to have a on-line program running the sql
> selection in batch?  Am I missing something?
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
> steema@xxxxxxxxxxxxx
> Sent: Wednesday, May 17, 2006 1:39 PM
> To: RPG programming on the AS400 / iSeries
> Subject: Re: Use SQL instead of RPG?
>
> Michael, I do want to put the results into a subfile, but it
> has to be a
> batch process, so I would like the CL to run this SQL Union.
>
> > Just curious, why does it need to be in the CL?  I thought you were
> > wanting to put the results into a subfile?
> >
> > Anyway... the only thing that I know that you can do is and
> as I know
> > it ...
> >
> >    On the command line type:   Go Query
> >    Take Option 10
> >    Take Option 1
> >    Create new query.
> >    You'll now be in something similar to Query/400.
> >    Specify one file
> >    Exit and save the query.
> >    Now convert the query to SQL, Put a 10 on the new query.
> >    You may keep the same name.
> >    Now put a 2 on the query to edit the SQL.
> >    Now copy your SQL statement in there.
> >    Then in the CL, you have to use the STRQMQRY to execute the SQL
> > that you
> >    created.
> >
> >
> > Michael Schutte
> >
> >
> >
> >
> >              steema@diskhaven.
> >              com
> >              Sent by:
> To
> >              rpg400-l-bounces@         "RPG programming on
> the AS400 /
> >              midrange.com              iSeries"
> <rpg400-l@xxxxxxxxxxxx>
> >
>
> > cc
> >
> >              05/17/2006 02:18
> Subject
> >              PM                        Re: Use SQL instead of RPG?
> >
> >
> >              Please respond to
> >               RPG programming
> >               on the AS400 /
> >                   iSeries
> >              <rpg400-l@midrang
> >                   e.com>
> >
> >
> >
> >
> >
> >
> > Charles's Idea was the answer. Now I would like to put this
> SQL into
> > an CL.
> >
> >> What is a pivot table?  I've heard the term, now my curiosity is
> >> aroused.
> >>
> >> rob@xxxxxxxxx wrote:
> >>> I think Charles has the best grasp on it.  Ideally one would
> >>> normalize this database to stop this ridiculousness.
> Gotta go, but
> >>> there's a brain cell somewhere shrieking out a buzzword
> to pop out
> >>> before I duck and
> >>> run:
> >>> Pivot table perhaps?
> >>>
> >>> Rob Berendt
> >>
> >> --
> >> ---------------------------------
> >> Booth Martin
> >> http://www.Martinvt.com
> >> ---------------------------------
> >> --
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> >>
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