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V5R2M0 - latest cume
 
I'm able to do "simple" things with SQL & I am trying to use it for normal
database queries so hence the following question.
 
>From a user they want the following:
 
List all active suppliers (name & address), date last paid, & number of
checks issued to that vendor.
 
The following is a SQL statement that I am trying to make work. 
 
select vendor, vndnam, vndad1, vndad2, vndad3, vstate, vpost, vdtlpd from
bpcsf/avm where vendor in (select abvnd, count(*) from bpcsf/abr where absts
<> 'W' group by abvnd) order by vendor
 
<Snip - text from error message>
For all predicates, except the EXISTS predicate, the subselect of a
predicate can have only one result column specified in its SELECT list
<SNIP>
 
In a group by situation in a sub query, it seems that I can have only one
column selected.  Obviously without the count by vendor, the report is
useless so how do I get that count & vendor number?
 
When I replace the in with an exists, the error message is: "The keyword
EXISTS was not expected here."
 
The sub select works just fine as a standalone SQL statement but put in a
subselect, it does not work.
 
So the question is, how do I make the two work asz one?  All the examples
I've found in the two text books I've got do not cover this type of
situation (what's new) so where would I look to find the answer?  
 
I could have created an ABR summary file via QUERY/400 but that's "cheating"
when I'm trying to learn & use SQL & just joined the ABR & my summary
tables.  Over & done with an hour ago.  I looked at views but there was not
much info on them, just some very basic info.
 
I am out of here for the weekend.  Time to go help a kid finish dry walling
his basement.  With take this up Monday morning.
 
Thanks - Dennis.
 
Dennis Munro
 
"I love deadlines. I especially like the whooshing sound they make as they
go flying by."
Dilbert's Words Of Wisdom
 
Badger Mining Corporation
www.badgerminingcorp.com
dmunro@xxxxxxxxxxxxxxxxxxxx
(920) 361-2388   Ext.141
 
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