Re: SQL looking for differences in rows in same table

[MKirkpatrick@xxxxxxxxxxxxxxxxx]

   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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