Re: Sv: how to build this query ??? Please help !!! - Mailing list pgsql-sql

From Jens Hartwig
Subject Re: Sv: how to build this query ??? Please help !!!
Date
Msg-id 3A5423BB.C8C505FC@debis.com
Whole thread Raw
In response to Sv: how to build this query ??? Please help !!!  ("Nikolaj Lundsgaard" <Nikolaj@kampsax.dtu.dk>)
Responses Re: Sv: how to build this query ??? Please help !!!  (Tod McQuillin <devin@spamcop.net>)
List pgsql-sql
> [...]
> SELECT a_nr,
> (SELECT count(*) FROM cylinders WHERE z_a_nr = a_nr) AS #cylinder,
> [...]
> FROM orders
> [...]

Is this a documented feature? Where can I find more information about
this?  I do not want to join the actual discussion about documentation
of PostgreSQL but I never before have seen such a construct in SQL!

Best regards, Jens Hartwig

=============================================
Jens Hartwig
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E-Mail   : jhartwig@debis.com
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