Horton

Re: what standard say ...

Zeugswetter Andreas <andreas.zeugswetter@telecom.at>

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From: Zeugswetter Andreas DBT <Andreas.Zeugswetter@telecom.at>
To: "'pgsql-hackers@hub.org'" <pgsql-hackers@hub.org>
Date: 1998-02-06T16:29:10Z
Lists: pgsql-hackers 
> 
> vac=> select count(*) from test where exists (select t1.y from test t1
where t1.y = x);
>
^
> Is this correlated subquery or not ?

No! Informix behaves in the same manner, I think it is ok.

Andreas