Michael Fuhr wrote:
> You refer to shs.city.<column> in the select list, but in the from
> clause you've aliased shs.city to city. As the SELECT documentation
> says,
>
> When an alias is provided, it completely hides the actual name
> of the table or function; for example given FROM foo AS f, the
> remainder of the SELECT must refer to this FROM item as f not foo.
>
Michael,
Thanks a lot for your very helpful answer (thanks to Stephan Szabo as
well). I've now changed my query as per your indications and indeed it
works ok.
Best regards,
Geert
