Re: Outer join differences

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От Christopher Kings-Lynne
Тема Re: Outer join differences
Дата
Msg-id GNELIHDDFBOCMGBFGEFOIEGPCDAA.chriskl@familyhealth.com.au
обсуждение исходный текст
Ответ на Re: Outer join differences  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
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> > When I run the query "select yt1_name, yt1_descr, yt2_name,
> yt2_descr from
> > yuva_test1 left outer join yuva_test2 on yt1_id=yt2_id and yt2_name =
> > '2-name2'" on postgres database I get the following results

Probaly if you change your postgres query to this, it will give the same
answer as Oracle:

select yt1_name, yt1_descr, yt2_name,
yt2_descr from
yuva_test1 left outer join yuva_test2 on yt1_id=yt2_id where yt2_name =
'2-name2';

??

Chris


> > But when I tried the same on Oracle(8.1.7) (the query is
> "select yt1_name,
> > yt1_descr, yt2_name, yt2_descr from yuva_test1, yuva_test2 where
> > yt1_id=yt2_id(+) and yt2_name = '2-name2'') I get the following result

And maybe if you change the oracle query to this, it will give the same
answer as postgres:

select yt1_name,
yt1_descr, yt2_name, yt2_descr from yuva_test1, yuva_test2 where
yt1_id=yt2_id(+) and yt2_name = '2-name2'(+);

Just guessing tho.

Chris



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