Den 2013-01-18 12:56 skrev Kjell Rilbe såhär:
>
> Hi,
>
> This SQL returns 2533 records, none of which contain B."Kod" starting
> with 1711 or 2111 (checked thoroughly):
> select B.*
> from "Branschkod" B
> inner join "Branschkod" B2 on B2."Namn" = B."Namn"
> where B."ECO_ID" <> B2."ECO_ID"
>
> Now, I add a line to the WHERE:
> select B.*
> from "Branschkod" B
> inner join "Branschkod" B2 on B2."Namn" = B."Namn"
> where B."ECO_ID" <> B2."ECO_ID"
> and B."Kod" in ('17111', '17112', '17113', '21111', '21112', '21113')
>
> This select DOES return six records, containing B."Kod" starting with
> 1711 or 2111 (one for each code in the list).
>
> How can this happen?
>
Note: I tried inserting the results of the first query into a new table.
Then I did
select *
from newtable
where "Kod" in ('17111', '17112', '17113', '21111', '21112', '21113')
It did not return any records. Still the second select does return six
records.
Kjell
--
--------------------------------------
Kjell Rilbe
DataDIA AB
E-post: [email protected]
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