Re: SQL looking for differences in rows in same table

CTE (Common Table Expressions


From: Robert Rogerson <rogersonra@xxxxxxxxx>
To: "RPG programming on the IBM i / System i"
<rpg400-l@xxxxxxxxxxxx>
Date: 06/14/2010 12:27 PM
Subject: Re: SQL looking for differences in rows in same table
Sent by: rpg400-l-bounces@xxxxxxxxxxxx


--------------------------------------------------------------------------

I've not iced a number of posts using the WITH statement. I am not
familiar
with this and tried to find an overview in the SQL manuals but could not
find any reference.
Can someone tell me what I should be searching for so I can look it up
myself.

Thanks,

Rob

On Mon, Jun 14, 2010 at 1:40 PM, Charles Wilt
<charles.wilt@xxxxxxxxx>wrote:

> with itemVendor as (select distinct item, vendor from mytbl)
> , dupItems as (select item, count(*) from itemVendor
> group by item
> having count(*) > 1)
> select * from mytbl
> where item in (select item from dupItems)
>
> HTH,
> Charles
>
>
> On Mon, Jun 14, 2010 at 1:24 PM, Dave Petrosky
<Dave.Petrosky@xxxxxxxxxx>
> wrote:
> > Sorry I was not clearer. I want to be able to distinguish between
rows
> > where the Item is the same, but the Vendor is different, and I want
to
> > see a list of all the records in which this is true. From my example
> > table, I would like to see all of the 256 rows (since amongst them,
the
> > vendors are all not the same) but would not like to see any of the
303
> > rows. And I want to see all four(4) 256 rows, even though two (2) of
> > them share the same vendor.
> >
> >
> >> I have a table where my data would be like
> >>
> >> Company Warehouse Item Vendor
> >> 1 1 256 25
> >> 2 1 256 *blanks
> >> 3 1 256 24
> >> 4 1 256 24
> >> 1 1 303 25
> >> 2 1 303 25
> >>
> >> What I am looking to do is generate a list which will show all of
the
> >> Item 256 rows (since these rows are not all the same) but not show
any
> >
> >> of the Item 303 rows.
> >
> > David M. Petrosky
> > Programmer/Analyst
> > Maines Paper & Food Service, Inc.
> > 101 Broome Corporate Parkway
> > Conklin, NY 13748
> > (office) 607-251-7378
> > dave.petrosky@xxxxxxxxxx
> > [1]www.maines.net
> >
> >
> >
> >
> >
> > --
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