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update adp/locnmstrpf set printer=(select max(a.printer) from
tomh/locnmstrpf a,
adp/locnmstrpf b where a.locn=b.locn and a.printer<>' ' and b.printer=' ')

might do it for you.



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"Tom"
<tomh@xxxxxxxxxxx
> To
Sent by: "'Midrange Systems Technical
midrange-l-bounce Discussion'"
s@xxxxxxxxxxxx <midrange-l@xxxxxxxxxxxx>
cc

12/09/2009 12:19 Subject
PM Help with a fairly basic SQL (I
think)

Please respond to
Midrange Systems
Technical
Discussion
<midrange-l@midra
nge.com>






I have two files: TOMH/LOCNMSTRPF, ADP/LOCNMSTRPF - both the same layout
and field names (the TOMH file is a backup of the ADP file). Key field for
each is called LOCN. For all records in ADP/LOCNMSTRPF, I want to update
one field ("printer") with data from the corresponding record/field in
TOMH/LOCNMSTRPF. I've tried the following SQL, but I'm getting an error:



update adp/locnmstrpf set printer=(select a.printer from tomh/locnmstrpf a,
adp/locnmstrpf b where a.locn=b.locn and a.printer<>' ' and b.printer=' ')



The error is: Result of SELECT more than one row.



Well of course it is. I know I can use RPG to do what I want, but I'd like
to know how to accomplish the same thing using only SQL. There is a way to
do this, right?



TomH





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