Re: joins INNER, OUTER, LEFT, RIGHT, FULL, ...

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От Jaime Casanova
Тема Re: joins INNER, OUTER, LEFT, RIGHT, FULL, ...
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Msg-id 20041124050641.86985.qmail@web50004.mail.yahoo.com
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Ответ на joins INNER, OUTER, LEFT, RIGHT, FULL, ...  ("Roderick A. Anderson" <raa@mailporter.net>)
Ответы Re: joins INNER, OUTER, LEFT, RIGHT, FULL, ...  ("Roderick A. Anderson" <raa@mailporter.net>)
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 --- "Roderick A. Anderson" <raa@mailporter.net>
escribió:
> Be gentle as I come from an Oracle background a long
> time ago.
>
> I am trying to join several tables with a couple of
> tables having a one
> to many relationship.  I got one query working
> pretty well but the issue
> comes about when I add one more table with a
> one-to-one relationship.  I
> get a semi/pseudo Cartesian join.

> I'm not asking for the exact solution but a pointer
> to a _good_
> reference on complex joins.  My searching on the
> PostgreSQL site and
> Google only turn up examples of simple joins.  I did
> forget to look at
> the two PostgreSQL books I have at home -- Bruce's
> and Practical
> PostgreSQL -- last night so if there are some in
> them a light tap with
> the clue-stick will suffice.
>
>

http://www.postgresql.org/docs/7.4/static/queries-table-expressions.html#QUERIES-JOIN

What do you mean with *complex joins*?

regards,
Jaime Casanova

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