Re: DISTINCT in UNION does not work

From: Kbat <schmuel_2000_at_yahoo.com>
Date: Fri, 10 Nov 2000 08:09:35 -0700
Message-ID: <8ufpdm$36q$1@nnrp2.phx.gblx.net>

You can try something like

select distinct var1
from (select var1 from table1

           union
           select var1 from table2)

HTH <shaikh74_at_my-deja.com> wrote in message news:8uem77$382$1_at_nnrp1.deja.com...
> Hello Deja community:
> Here is something to challenge your mind,
>
> SELECT DISTINCT INV.INVEST_SEQ_NBR,
> FROM INVESTIGATION INV
> UNION
> SELECT DISTINCT INV.INVEST_SEQ_NBR,
> FROM INVESTIGATION INV
>
> I am getting duplicate rows back with same INV.INVEST_SEQ_NBR. I was
> wondering how can I apply DISTINCT on the result set returned by
> UNION. As you can see, in above query DISTINCT is appllied to each
> query but on the final result set. Your assitance is appreiciated.
> Send reply to shaikh74_at_visto.com
> Thanks
> Asad
>
>
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
Received on Fri Nov 10 2000 - 09:09:35 CST