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Have you read this?:
http://www-1.ibm.com/servers/enable/site/bi/strategy/index.html

Have you run the query under debug or from iSeries Navagator using Visual 
Explain?

What version of OS/400?

How large are the files, how large of a result set are you expecting?


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 Rusling, John B.
> (Alliance)
> Sent: Wednesday, May 04, 2005 1:22 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: Join 2 files with 1 key from each file.
> 
> 
> I have 2 files I want joined and indexed on 1 key from each of the 2
> files.
> 
> The 2 files are named s1 and s3, both have the common field of Order#
> (on) in them
> 
> s1 JOIN s3 ON s1on = s3on .
> 
> I want the joined file indexed by s1name, then s3itno
> 
> ORDER BY s1name, s3itno .
> 
> 
> I'm using embedded sql in rpg and everything works fine except the
> response
> time on one of our production machines gets to be 5+ minutes.!
> 
> ---->
> I want to have a prebuilt, index or logical so that when this 
> program is
> used, the response time will fall into the acceptable range.
> 
> I've built most every combination of logical file (using dds) to this
> end
> but the response time is still horrid.
> 
> The s1 file has 2.25 million records and the s3 file has about 2.8
> million.
> 
> Can anyone give me some guidance on this please?  I've tried 
> everything
> I can think of for the last day or 2 and response time is 
> still crappy.
> 
> 
> Thanks for any help at all,
> 
> John B.
> 
> -- 
> This is the RPG programming on the AS400 / iSeries (RPG400-L) 
> mailing list
> To post a message email: RPG400-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
> or email: RPG400-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/rpg400-l.
> 
> 


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