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 !!!
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
---------------------------------------------
debis Systemhaus GEI mbH
10875 Berlin
Tel.     : +49 (0)30 2554-3282
Fax      : +49 (0)30 2554-3187
Mobil    : +49 (0)170 167-2648
E-Mail   : jhartwig@debis.com
=============================================


pgsql-sql by date:

Previous
From: Karel Zak
Date:
Subject: Re: Numeric and money
Next
From: Tod McQuillin
Date:
Subject: Re: Sv: how to build this query ??? Please help !!!