Re: creating a file via SQL

Thanks Rob - I'll give this a shot. It seems too easy. Maybe I need a
vacation.



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx

rpg400-l-bounces@xxxxxxxxxxxx wrote on 10/03/2006 11:47:41 AM:

create table FileC (ordernumber, itemnumber, quantity, catagory,
subcategory, bCategory, bSubcategory)
as (
 select a.*, coalesce(b.category,0), coalesce(b.subcategory,0)
 from filea a left outer join fileb b
 on a.itemnumber=b.itemnumber)


Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





Alan Shore <AlanShore@xxxxxxxx>
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
10/03/2006 11:19 AM
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RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


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Subject
creating a file via SQL






Morning all
I am giving myself a headache in trying to solve a problem with SQL
I've tried looking through the archives, but I am not really too sure

what

I am looking for.
Anyway, if anyone can help me,

The problem is as follows:-
I have 2 files, in their simplistic form
FileA
Order number
Item number
Quantity
Category
Sub category

FileB
Item number
Category
Sub category

In FileB, Item number is NOT unique. Item number within Category IS
unique.
For example Item number 000001 can be in Category 0001 AND in Category
0094
What I want to happen is that for an order that contains item number
000001, I want a file (FileC) that contains 2 records from the original

1.

One record with Category 0001 and the other record with category 0094.
FileA to FileC is a one to many ratio.
The other problem is if the item number does NOT exist on FileB, FileC
should contain one record with 0 category.

I think that's it.
If anyone can help, or point me in the right direction, I would be VERY
grateful

Thanks in advance



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
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