RE: SQL Help needed - looking for duplicates

["Wilt, Charles" <WiltC@xxxxxxxxxx>]

Doug,

To use GROUP BY and HAVING, you'd need something like this:

With tbl as (select escan
             From mytable
             Group by escan
             Having count(*) > 1
             )
Select escan, eitnbr 
from mytable
where escan in (select escan from tbl)
order by escan, eitnbr



note: if it is ok for multiple records to contain the same barcode+item, then change count(*) to
count(distinct eitnbr).

HTH,
             

Charles Wilt 
--
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx


> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-
> bounces@xxxxxxxxxxxx] On Behalf Of Doug Palme
> Sent: Wednesday, July 30, 2008 9:56 AM
> To: Midrange Systems Technical Discussion
> Subject: SQL Help needed - looking for duplicates
>
>    I have a file which has two fields, ESCAN (bar code numbers) and EITNBR
>    (Item numbers).....I need to select the unique records that have
> duplicate
>    barcodes where the item number is DIFFERENT.  An item can have multiple
>    bar code numbers, but a bar code cannot have multiple item numbers.
>
>    I was trying to use the group by HAVING but so far I have failed in any
>    attempt to get this to work.
>
>    I can get it if it was the ESCAN field only.....
>
>    Suggestions?
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