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  3. December 2002

Re: Help needed on V5R2 problem with BPCS CEA and CCSID

At 00:45 12/04/2002, you wrote:

Pete,

Yes, latest DB Group and Hipers and latest Client Access (now called
I-Series Access) - not sure if there is a service pack for it - will check.

OK. I've had problems a few times with QQQOPTIM, the query optimizer. It's
got to be one of the scarier pieces of code at IBM. It will build access
plans differently for interactive jobs vs batch jobs, when running the same
query. Interactive jobs are optimized for quickest display of the initial
page of data, batch jobs are optimized for quickest completion. Since you
say ISQL seems to work correctly, but client server (batch) jobs don't, how
about taking your successful ISQL query, compiling it into a QMQRY object
(CRTQMQRY), and executing it in batch. See if that duplicates your results
with the client server jobs. If so, the indication is a problem with the
optimizer.


Pete Hall
pbhall@ameritech.net
http://www.pbhall.us/

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