alias required by standard or PostgreSQL?

From: "Joost Kraaijeveld" <J(dot)Kraaijeveld(at)Askesis(dot)nl>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: alias required by standard or PostgreSQL?
Date: 2007-12-03 05:52:29
Message-ID: 1196661149.5542.33.camel@panoramix.askesis.nl
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Hi,

If I run the query

"select * from (select * from table_name)"

PostgreSQL complains with

ERROR: subquery in FROM must have an alias
HINT: For example, FROM (SELECT ...) [AS] foo.

Is the alias required by the ISO standard or is this a PostgreSQL
requirement?

TIA

--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
web: www.askesis.nl

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